145451534 has 8 divisors (see below), whose sum is σ = 218341008. Its totient is φ = 72671200.

The previous prime is 145451531. The next prime is 145451539. The reversal of 145451534 is 435154541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145451534² = 42312297485906312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145451534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145451531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23867 + ... + 29334.

It is an arithmetic number, because the mean of its divisors is an integer number (27292626).

Almost surely, 2^145451534 is an apocalyptic number.

145451534 is a deficient number, since it is larger than the sum of its proper divisors (72889474).

145451534 is a wasteful number, since it uses less digits than its factorization.

145451534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54570.

The product of its digits is 24000, while the sum is 32.

The square root of 145451534 is about 12060.3289341543. The cubic root of 145451534 is about 525.9035494239.

The spelling of 145451534 in words is "one hundred forty-five million, four hundred fifty-one thousand, five hundred thirty-four".