15405045452 has 12 divisors (see below), whose sum is σ = 26960363640. Its totient is φ = 7702084416.

The previous prime is 15405045451. The next prime is 15405045479. The reversal of 15405045452 is 25454050451.

It is a super-4 number, since 4×15405045452⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (15405045451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22877 + ... + 177012.

It is an arithmetic number, because the mean of its divisors is an integer number (2246696970).

Almost surely, 2^15405045452 is an apocalyptic number.

It is an amenable number.

15405045452 is a deficient number, since it is larger than the sum of its proper divisors (11555318188).

15405045452 is a wasteful number, since it uses less digits than its factorization.

15405045452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219160 (or 219158 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 15405045452 in words is "fifteen billion, four hundred five million, forty-five thousand, four hundred fifty-two".