145231032 has 32 divisors (see below), whose sum is σ = 374791680. Its totient is φ = 46848480.

The previous prime is 145231027. The next prime is 145231069. The reversal of 145231032 is 230132541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96858 + ... + 98345.

It is an arithmetic number, because the mean of its divisors is an integer number (11712240).

Almost surely, 2^145231032 is an apocalyptic number.

145231032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145231032 is an abundant number, since it is smaller than the sum of its proper divisors (229560648).

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

145231032 is a wasteful number, since it uses less digits than its factorization.

145231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195243 (or 195239 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 145231032 is about 12051.1838422621. The cubic root of 145231032 is about 525.6376614683.

Adding to 145231032 its reverse (230132541), we get a palindrome (375363573).

The spelling of 145231032 in words is "one hundred forty-five million, two hundred thirty-one thousand, thirty-two".