145658632 has 32 divisors (see below), whose sum is σ = 325699200. Its totient is φ = 59710464.

The previous prime is 145658627. The next prime is 145658633. The reversal of 145658632 is 236856541.

It is a super-2 number, since 2×145658632² = 42432874152222848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (145658633) 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, 55257 + ... + 57832.

It is an arithmetic number, because the mean of its divisors is an integer number (10178100).

Almost surely, 2^145658632 is an apocalyptic number.

It is an amenable number.

145658632 is an abundant number, since it is smaller than the sum of its proper divisors (180040568).

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

145658632 is a wasteful number, since it uses less digits than its factorization.

145658632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113125 (or 113121 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 145658632 is about 12068.9117985011. The cubic root of 145658632 is about 526.1530298286.

The spelling of 145658632 in words is "one hundred forty-five million, six hundred fifty-eight thousand, six hundred thirty-two".