395145507 has 16 divisors (see below), whose sum is σ = 529990272. Its totient is φ = 261871680.

The previous prime is 395145481. The next prime is 395145511. The reversal of 395145507 is 705541593.

It is not a de Polignac number, because 395145507 - 2⁷ = 395145379 is a prime.

It is a super-2 number, since 2×395145507² = 312279943404574098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (395145587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672868 + ... + 673454.

It is an arithmetic number, because the mean of its divisors is an integer number (33124392).

Almost surely, 2^395145507 is an apocalyptic number.

395145507 is a deficient number, since it is larger than the sum of its proper divisors (134844765).

395145507 is a wasteful number, since it uses less digits than its factorization.

395145507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 395145507 is about 19878.2672031543. The cubic root of 395145507 is about 733.8134754854.

The spelling of 395145507 in words is "three hundred ninety-five million, one hundred forty-five thousand, five hundred seven".