15162140 has 24 divisors (see below), whose sum is σ = 36389472. Its totient is φ = 5198400.

The previous prime is 15162139. The next prime is 15162151. The reversal of 15162140 is 4126151.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54011 + ... + 54290.

It is an arithmetic number, because the mean of its divisors is an integer number (1516228).

Almost surely, 2^15162140 is an apocalyptic number.

15162140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15162140 is an abundant number, since it is smaller than the sum of its proper divisors (21227332).

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

15162140 is a wasteful number, since it uses less digits than its factorization.

15162140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108317 (or 108315 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 15162140 is about 3893.8592681298. The cubic root of 15162140 is about 247.5066283978.

Adding to 15162140 its reverse (4126151), we get a palindrome (19288291).

The spelling of 15162140 in words is "fifteen million, one hundred sixty-two thousand, one hundred forty".