145770475 has 6 divisors (see below), whose sum is σ = 180755420. Its totient is φ = 116616360.

The previous prime is 145770439. The next prime is 145770497. The reversal of 145770475 is 574077541.

It is a happy number.

145770475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145770475 - 2⁹ = 145769963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2915385 + ... + 2915434.

Almost surely, 2^145770475 is an apocalyptic number.

145770475 is a deficient number, since it is larger than the sum of its proper divisors (34984945).

145770475 is an equidigital number, since it uses as much as digits as its factorization.

145770475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830829 (or 5830824 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 145770475 is about 12073.5444257269. The cubic root of 145770475 is about 526.2876630627.

The spelling of 145770475 in words is "one hundred forty-five million, seven hundred seventy thousand, four hundred seventy-five".