15953142 has 16 divisors (see below), whose sum is σ = 32769072. Its totient is φ = 5173920.

The previous prime is 15953137. The next prime is 15953143. The reversal of 15953142 is 24135951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15953143) 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, 35709 + ... + 36152.

It is an arithmetic number, because the mean of its divisors is an integer number (2048067).

Almost surely, 2^15953142 is an apocalyptic number.

15953142 is an abundant number, since it is smaller than the sum of its proper divisors (16815930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15953142 is a wasteful number, since it uses less digits than its factorization.

15953142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71903.

The product of its digits is 5400, while the sum is 30.

The square root of 15953142 is about 3994.1384552867. The cubic root of 15953142 is about 251.7379803653.

It can be divided in two parts, 159 and 53142, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 15953142 in words is "fifteen million, nine hundred fifty-three thousand, one hundred forty-two".