145756732 has 12 divisors (see below), whose sum is σ = 278262936. Its totient is φ = 66253040.

The previous prime is 145756711. The next prime is 145756739. The reversal of 145756732 is 237657541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145756739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656283 + ... + 1656370.

It is an arithmetic number, because the mean of its divisors is an integer number (23188578).

Almost surely, 2^145756732 is an apocalyptic number.

It is an amenable number.

145756732 is a deficient number, since it is larger than the sum of its proper divisors (132506204).

145756732 is a wasteful number, since it uses less digits than its factorization.

145756732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312668 (or 3312666 counting only the distinct ones).

The product of its digits is 176400, while the sum is 40.

The square root of 145756732 is about 12072.9752753826. The cubic root of 145756732 is about 526.2711233653.

The spelling of 145756732 in words is "one hundred forty-five million, seven hundred fifty-six thousand, seven hundred thirty-two".