145224604 has 24 divisors (see below), whose sum is σ = 290957408. Its totient is φ = 62130240.

The previous prime is 145224601. The next prime is 145224641. The reversal of 145224604 is 406422541.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145224601) 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, 12934 + ... + 21394.

Almost surely, 2^145224604 is an apocalyptic number.

145224604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145224604 is an abundant number, since it is smaller than the sum of its proper divisors (145732804).

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

145224604 is a wasteful number, since it uses less digits than its factorization.

145224604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085 (or 9083 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 145224604 is about 12050.9171435207. The cubic root of 145224604 is about 525.6299063563.

The spelling of 145224604 in words is "one hundred forty-five million, two hundred twenty-four thousand, six hundred four".