145624624 has 10 divisors (see below), whose sum is σ = 282147740. Its totient is φ = 72812304.

The previous prime is 145624553. The next prime is 145624663. The reversal of 145624624 is 426426541.

It is a super-2 number, since 2×145624624² = 42413062230282752, 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 145624624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4550754 + ... + 4550785.

It is an arithmetic number, because the mean of its divisors is an integer number (28214774).

Almost surely, 2^145624624 is an apocalyptic number.

It is an amenable number.

145624624 is a deficient number, since it is larger than the sum of its proper divisors (136523116).

145624624 is an equidigital number, since it uses as much as digits as its factorization.

145624624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9101547 (or 9101541 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 145624624 is about 12067.5028071263. The cubic root of 145624624 is about 526.1120783593.

The spelling of 145624624 in words is "one hundred forty-five million, six hundred twenty-four thousand, six hundred twenty-four".