1046642157 has 12 divisors (see below), whose sum is σ = 1649254464. Its totient is φ = 634328520.

The previous prime is 1046642153. The next prime is 1046642171. The reversal of 1046642157 is 7512466401.

1046642157 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 642 + 1 + 5 + 7 = 666.

It is not a de Polignac number, because 1046642157 - 2² = 1046642153 is a prime.

It is a super-2 number, since 2×1046642157² = 2190919609619225298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046642153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5285973 + ... + 5286170.

It is an arithmetic number, because the mean of its divisors is an integer number (137437872).

Almost surely, 2^1046642157 is an apocalyptic number.

It is an amenable number.

1046642157 is a deficient number, since it is larger than the sum of its proper divisors (602612307).

1046642157 is a wasteful number, since it uses less digits than its factorization.

1046642157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572160 (or 10572157 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1046642157 is about 32351.8493598125. The cubic root of 1046642157 is about 1015.3117396852.

The spelling of 1046642157 in words is "one billion, forty-six million, six hundred forty-two thousand, one hundred fifty-seven".