145770772 has 24 divisors (see below), whose sum is σ = 291823616. Its totient is φ = 62412768.

The previous prime is 145770743. The next prime is 145770809. The reversal of 145770772 is 277077541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38893 + ... + 42475.

Almost surely, 2^145770772 is an apocalyptic number.

It is an amenable number.

145770772 is an abundant number, since it is smaller than the sum of its proper divisors (146052844).

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

145770772 is a wasteful number, since it uses less digits than its factorization.

145770772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 40.

The square root of 145770772 is about 12073.5567253399. The cubic root of 145770772 is about 526.2880204907.

The spelling of 145770772 in words is "one hundred forty-five million, seven hundred seventy thousand, seven hundred seventy-two".