15404550142 has 32 divisors (see below), whose sum is σ = 23815959552. Its totient is φ = 7469251104.

The previous prime is 15404550113. The next prime is 15404550191. The reversal of 15404550142 is 24105540451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4868653 + ... + 4871815.

It is an arithmetic number, because the mean of its divisors is an integer number (744248736).

Almost surely, 2^15404550142 is an apocalyptic number.

15404550142 is a deficient number, since it is larger than the sum of its proper divisors (8411409410).

15404550142 is a wasteful number, since it uses less digits than its factorization.

15404550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 15404550142 in words is "fifteen billion, four hundred four million, five hundred fifty thousand, one hundred forty-two".