74146445131402 has 128 divisors (see below), whose sum is σ = 136848968515584. Its totient is φ = 29443274359488.

The previous prime is 74146445131397. The next prime is 74146445131441. The reversal of 74146445131402 is 20413154464147.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2972622943 + ... + 2972647885.

It is an arithmetic number, because the mean of its divisors is an integer number (1069132566528).

Almost surely, 2^{74146445131402} is an apocalyptic number.

74146445131402 is a deficient number, since it is larger than the sum of its proper divisors (62702523384182).

74146445131402 is a wasteful number, since it uses less digits than its factorization.

74146445131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27032.

The product of its (nonzero) digits is 1290240, while the sum is 46.

Adding to 74146445131402 its reverse (20413154464147), we get a palindrome (94559599595549).

The spelling of 74146445131402 in words is "seventy-four trillion, one hundred forty-six billion, four hundred forty-five million, one hundred thirty-one thousand, four hundred two".