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145491348 = 22314981371
BaseRepresentation
bin10001010110000…
…00010110010100
3101010202201121110
420223000112110
5244221210343
622234215020
73414441012
oct1053002624
9333681543
10145491348
1175142892
1240884470
13241b0972
14154738b2
15cb8d833
hex8ac0594

145491348 has 24 divisors (see below), whose sum is σ = 341762400. Its totient is φ = 48171040.

The previous prime is 145491343. The next prime is 145491361. The reversal of 145491348 is 843194541.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145491343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38898 + ... + 42473.

It is an arithmetic number, because the mean of its divisors is an integer number (14240100).

Almost surely, 2145491348 is an apocalyptic number.

It is an amenable number.

145491348 is an abundant number, since it is smaller than the sum of its proper divisors (196271052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145491348 is a wasteful number, since it uses less digits than its factorization.

145491348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81527 (or 81525 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 145491348 is about 12061.9794395447. The cubic root of 145491348 is about 525.9515296988.

The spelling of 145491348 in words is "one hundred forty-five million, four hundred ninety-one thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1788 81371 162742 244113 325484 488226 976452 12124279 24248558 36372837 48497116 72745674 145491348