145570756 has 6 divisors (see below), whose sum is σ = 254748830. Its totient is φ = 72785376.

The previous prime is 145570751. The next prime is 145570757. The reversal of 145570756 is 657075541.

It is a happy number.

145570756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138862656 + 6708100 = 11784^2 + 2590^2 .

It is not an unprimeable number, because it can be changed into a prime (145570751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18196341 + ... + 18196348.

Almost surely, 2^145570756 is an apocalyptic number.

It is an amenable number.

145570756 is a deficient number, since it is larger than the sum of its proper divisors (109178074).

145570756 is a wasteful number, since it uses less digits than its factorization.

145570756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36392693 (or 36392691 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 145570756 is about 12065.2706558950. The cubic root of 145570756 is about 526.0471989915.

The spelling of 145570756 in words is "one hundred forty-five million, five hundred seventy thousand, seven hundred fifty-six".