46909157 has 4 divisors (see below), whose sum is σ = 49378080. Its totient is φ = 44440236.

The previous prime is 46909151. The next prime is 46909199. The reversal of 46909157 is 75190964.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46909157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46909151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234433 + ... + 1234470.

It is an arithmetic number, because the mean of its divisors is an integer number (12344520).

Almost surely, 2^46909157 is an apocalyptic number.

It is an amenable number.

46909157 is a deficient number, since it is larger than the sum of its proper divisors (2468923).

46909157 is a wasteful number, since it uses less digits than its factorization.

46909157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468922.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 46909157 is about 6849.0259891462. The cubic root of 46909157 is about 360.6499498351.

The spelling of 46909157 in words is "forty-six million, nine hundred nine thousand, one hundred fifty-seven".