157734506403 has 24 divisors (see below), whose sum is σ = 234226517616. Its totient is φ = 102226387200.

The previous prime is 157734506387. The next prime is 157734506417. The reversal of 157734506403 is 304605437751.

157734506403 is a `hidden beast` number, since 1 + 5 + 77 + 34 + 506 + 40 + 3 = 666.

It is not a de Polignac number, because 157734506403 - 2⁴ = 157734506387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157734506003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 656925 + ... + 864302.

It is an arithmetic number, because the mean of its divisors is an integer number (9759438234).

Almost surely, 2^157734506403 is an apocalyptic number.

157734506403 is a deficient number, since it is larger than the sum of its proper divisors (76492011213).

157734506403 is a wasteful number, since it uses less digits than its factorization.

157734506403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521555 (or 1521552 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 157734506403 in words is "one hundred fifty-seven billion, seven hundred thirty-four million, five hundred six thousand, four hundred three".