145390832 has 10 divisors (see below), whose sum is σ = 281694768. Its totient is φ = 72695408.

The previous prime is 145390823. The next prime is 145390841. The reversal of 145390832 is 238093541.

145390832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145390823) and next prime (145390841).

It is a super-2 number, since 2×145390832² = 42276988059304448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145390792 and 145390801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4543448 + ... + 4543479.

Almost surely, 2^145390832 is an apocalyptic number.

It is an amenable number.

145390832 is a deficient number, since it is larger than the sum of its proper divisors (136303936).

145390832 is an equidigital number, since it uses as much as digits as its factorization.

145390832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086935 (or 9086929 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 145390832 is about 12057.8120735065. The cubic root of 145390832 is about 525.8303799442.

The spelling of 145390832 in words is "one hundred forty-five million, three hundred ninety thousand, eight hundred thirty-two".