46149857 has 8 divisors (see below), whose sum is σ = 49757736. Its totient is φ = 42550272.

The previous prime is 46149847. The next prime is 46149869. The reversal of 46149857 is 75894164.

It can be written as a sum of positive squares in 4 ways, for example, as 10137856 + 36012001 = 3184^2 + 6001^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 46149857 - 2¹² = 46145761 is a prime.

It is a super-2 number, since 2×46149857² = 4259618602240898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46149847) 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, 14363 + ... + 17279.

It is an arithmetic number, because the mean of its divisors is an integer number (6219717).

Almost surely, 2^46149857 is an apocalyptic number.

It is an amenable number.

46149857 is a deficient number, since it is larger than the sum of its proper divisors (3607879).

46149857 is a wasteful number, since it uses less digits than its factorization.

46149857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147.

The product of its digits is 241920, while the sum is 44.

The square root of 46149857 is about 6793.3686047498. The cubic root of 46149857 is about 358.6934557817.

The spelling of 46149857 in words is "forty-six million, one hundred forty-nine thousand, eight hundred fifty-seven".