1002157234474 has 24 divisors (see below), whose sum is σ = 1652382145764. Its totient is φ = 455508081600.

The previous prime is 1002157234453. The next prime is 1002157234487. The reversal of 1002157234474 is 4744327512001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 978728340249 + 23428894225 = 989307^2 + 153065^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7551654 + ... + 7683214.

Almost surely, 2^{1002157234474} is an apocalyptic number.

1002157234474 is a deficient number, since it is larger than the sum of its proper divisors (650224911290).

1002157234474 is a wasteful number, since it uses less digits than its factorization.

1002157234474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163062 (or 163051 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 1002157234474 in words is "one trillion, two billion, one hundred fifty-seven million, two hundred thirty-four thousand, four hundred seventy-four".