145720756 has 12 divisors (see below), whose sum is σ = 255131968. Its totient is φ = 72825912.

The previous prime is 145720741. The next prime is 145720769. The reversal of 145720756 is 657027541.

145720756 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2485 + ... + 17251.

Almost surely, 2^145720756 is an apocalyptic number.

It is an amenable number.

145720756 is a deficient number, since it is larger than the sum of its proper divisors (109411212).

145720756 is a wasteful number, since it uses less digits than its factorization.

145720756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238 (or 17236 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 145720756 is about 12071.4852441611. The cubic root of 145720756 is about 526.2278213337.

The spelling of 145720756 in words is "one hundred forty-five million, seven hundred twenty thousand, seven hundred fifty-six".