15345454402 has 16 divisors (see below), whose sum is σ = 23076345600. Its totient is φ = 7653362400.

The previous prime is 15345454391. The next prime is 15345454409. The reversal of 15345454402 is 20445454351.

It is a super-2 number, since 2×15345454402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15345454409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580599 + ... + 1590277.

It is an arithmetic number, because the mean of its divisors is an integer number (1442271600).

Almost surely, 2^15345454402 is an apocalyptic number.

15345454402 is a deficient number, since it is larger than the sum of its proper divisors (7730891198).

15345454402 is a wasteful number, since it uses less digits than its factorization.

15345454402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11601.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 15345454402 in words is "fifteen billion, three hundred forty-five million, four hundred fifty-four thousand, four hundred two".