46145391 has 8 divisors (see below), whose sum is σ = 63512064. Its totient is φ = 29771160.

The previous prime is 46145387. The next prime is 46145413. The reversal of 46145391 is 19354164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 46145391 - 2² = 46145387 is a prime.

It is a super-2 number, since 2×46145391² = 4258794221085762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46145311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248001 + ... + 248186.

It is an arithmetic number, because the mean of its divisors is an integer number (7939008).

Almost surely, 2^46145391 is an apocalyptic number.

46145391 is a deficient number, since it is larger than the sum of its proper divisors (17366673).

46145391 is a wasteful number, since it uses less digits than its factorization.

46145391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496221.

The product of its digits is 12960, while the sum is 33.

The square root of 46145391 is about 6793.0398938914. The cubic root of 46145391 is about 358.6818849503.

The spelling of 46145391 in words is "forty-six million, one hundred forty-five thousand, three hundred ninety-one".