142974015 has 16 divisors (see below), whose sum is σ = 236138496. Its totient is φ = 73792800.

The previous prime is 142973989. The next prime is 142974017. The reversal of 142974015 is 510479241.

It is a happy number.

142974015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142974015 - 2⁶ = 142973951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142974017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153271 + ... + 154200.

It is an arithmetic number, because the mean of its divisors is an integer number (14758656).

Almost surely, 2^142974015 is an apocalyptic number.

142974015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142974015 is a deficient number, since it is larger than the sum of its proper divisors (93164481).

142974015 is a wasteful number, since it uses less digits than its factorization.

142974015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307510.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 142974015 is about 11957.1742063081. The cubic root of 142974015 is about 522.9004766834.

The spelling of 142974015 in words is "one hundred forty-two million, nine hundred seventy-four thousand, fifteen".