145245624 has 32 divisors (see below), whose sum is σ = 365007120. Its totient is φ = 48162816.

The previous prime is 145245613. The next prime is 145245629. The reversal of 145245624 is 426542541.

It is a super-2 number, since 2×145245624² = 42192582582298752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145245629) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11047 + ... + 20310.

Almost surely, 2^145245624 is an apocalyptic number.

It is an amenable number.

145245624 is an abundant number, since it is smaller than the sum of its proper divisors (219761496).

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

145245624 is a wasteful number, since it uses less digits than its factorization.

145245624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31559 (or 31555 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 145245624 is about 12051.7892447553. The cubic root of 145245624 is about 525.6552652540.

The spelling of 145245624 in words is "one hundred forty-five million, two hundred forty-five thousand, six hundred twenty-four".