145232532 has 36 divisors (see below), whose sum is σ = 367843476. Its totient is φ = 48314880.

The previous prime is 145232497. The next prime is 145232567. The reversal of 145232532 is 235232541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145232497) and next prime (145232567).

It can be written as a sum of positive squares in 2 ways, for example, as 50637456 + 94595076 = 7116^2 + 9726^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×145232532² = 42184976702262048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145232496 and 145232505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15748 + ... + 23204.

Almost surely, 2^145232532 is an apocalyptic number.

145232532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145232532 is an abundant number, since it is smaller than the sum of its proper divisors (222610944).

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

145232532 is a wasteful number, since it uses less digits than its factorization.

145232532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008 (or 8003 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 145232532 is about 12051.2460766512. The cubic root of 145232532 is about 525.6394711223.

Subtracting 145232532 from its reverse (235232541), we obtain a palindrome (90000009).

The spelling of 145232532 in words is "one hundred forty-five million, two hundred thirty-two thousand, five hundred thirty-two".