145739932 has 24 divisors (see below), whose sum is σ = 275360400. Its totient is φ = 67094016.

The previous prime is 145739927. The next prime is 145739939. The reversal of 145739932 is 239937541.

145739932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145739939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18444 + ... + 25132.

It is an arithmetic number, because the mean of its divisors is an integer number (11473350).

Almost surely, 2^145739932 is an apocalyptic number.

It is an amenable number.

145739932 is a deficient number, since it is larger than the sum of its proper divisors (129620468).

145739932 is a wasteful number, since it uses less digits than its factorization.

145739932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125 (or 7123 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 145739932 is about 12072.2794864930. The cubic root of 145739932 is about 526.2509031567.

The spelling of 145739932 in words is "one hundred forty-five million, seven hundred thirty-nine thousand, nine hundred thirty-two".