147515442 has 16 divisors (see below), whose sum is σ = 296799552. Its totient is φ = 48877040.

The previous prime is 147515437. The next prime is 147515447. The reversal of 147515442 is 244515741.

It is an interprime number because it is at equal distance from previous prime (147515437) and next prime (147515447).

It is not an unprimeable number, because it can be changed into a prime (147515447) 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, 72609 + ... + 74612.

It is an arithmetic number, because the mean of its divisors is an integer number (18549972).

Almost surely, 2^147515442 is an apocalyptic number.

147515442 is an abundant number, since it is smaller than the sum of its proper divisors (149284110).

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

147515442 is a wasteful number, since it uses less digits than its factorization.

147515442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147393.

The product of its digits is 22400, while the sum is 33.

The square root of 147515442 is about 12145.5935219321. The cubic root of 147515442 is about 528.3793402889.

The spelling of 147515442 in words is "one hundred forty-seven million, five hundred fifteen thousand, four hundred forty-two".