357445 has 16 divisors (see below), whose sum is σ = 479808. Its totient is φ = 253440.

The previous prime is 357437. The next prime is 357473. The reversal of 357445 is 544753.

It is not a de Polignac number, because 357445 - 2³ = 357437 is a prime.

It is an Ulam number.

It is a Duffinian number.

357445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3637 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (29988).

2³⁵⁷⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

357445 is a deficient number, since it is larger than the sum of its proper divisors (122363).

357445 is a wasteful number, since it uses less digits than its factorization.

357445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its digits is 8400, while the sum is 28.

The square root of 357445 is about 597.8670420754. The cubic root of 357445 is about 70.9691726251.

The spelling of 357445 in words is "three hundred fifty-seven thousand, four hundred forty-five".