1490157158 has 16 divisors (see below), whose sum is σ = 2555864064. Its totient is φ = 638311560.

The previous prime is 1490157089. The next prime is 1490157161. The reversal of 1490157158 is 8517510941.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 54633.

It is an arithmetic number, because the mean of its divisors is an integer number (159741504).

Almost surely, 2^1490157158 is an apocalyptic number.

1490157158 is a deficient number, since it is larger than the sum of its proper divisors (1065706906).

1490157158 is a wasteful number, since it uses less digits than its factorization.

1490157158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54547.

The product of its (nonzero) digits is 50400, while the sum is 41.

The square root of 1490157158 is about 38602.5537756247. The cubic root of 1490157158 is about 1142.2049144468.

The spelling of 1490157158 in words is "one billion, four hundred ninety million, one hundred fifty-seven thousand, one hundred fifty-eight".