46139545 has 16 divisors (see below), whose sum is σ = 56221200. Its totient is φ = 36347904.

The previous prime is 46139537. The next prime is 46139579. The reversal of 46139545 is 54593164.

It can be written as a sum of positive squares in 8 ways, for example, as 76176 + 46063369 = 276^2 + 6787^2 .

It is a cyclic number.

It is not a de Polignac number, because 46139545 - 2³ = 46139537 is a prime.

It is a super-2 number, since 2×46139545² = 4257715225614050, which contains 22 as substring.

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, 132031 + ... + 132379.

It is an arithmetic number, because the mean of its divisors is an integer number (3513825).

Almost surely, 2^46139545 is an apocalyptic number.

It is an amenable number.

46139545 is a deficient number, since it is larger than the sum of its proper divisors (10081655).

46139545 is a wasteful number, since it uses less digits than its factorization.

46139545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its digits is 64800, while the sum is 37.

The square root of 46139545 is about 6792.6095868966. The cubic root of 46139545 is about 358.6667375881. Note that the first 3 decimals are identical.

The spelling of 46139545 in words is "forty-six million, one hundred thirty-nine thousand, five hundred forty-five".