426161157 has 4 divisors (see below), whose sum is σ = 568214880. Its totient is φ = 284107436.

The previous prime is 426161147. The next prime is 426161159. The reversal of 426161157 is 751161624.

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-426161157 is a prime.

It is a super-2 number, since 2×426161157² = 363226663471157298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426161159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71026857 + ... + 71026862.

It is an arithmetic number, because the mean of its divisors is an integer number (142053720).

Almost surely, 2^426161157 is an apocalyptic number.

It is an amenable number.

426161157 is a deficient number, since it is larger than the sum of its proper divisors (142053723).

426161157 is a wasteful number, since it uses less digits than its factorization.

426161157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142053722.

The product of its digits is 10080, while the sum is 33.

The square root of 426161157 is about 20643.6711124742. The cubic root of 426161157 is about 752.5313913535.

The spelling of 426161157 in words is "four hundred twenty-six million, one hundred sixty-one thousand, one hundred fifty-seven".