147402442 has 12 divisors (see below), whose sum is σ = 243031698. Its totient is φ = 67001000.

The previous prime is 147402391. The next prime is 147402443. The reversal of 147402442 is 244204741.

It can be written as a sum of positive squares in only one way, i.e., 135699201 + 11703241 = 11649^2 + 3421^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147402442.

It is not an unprimeable number, because it can be changed into a prime (147402443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304309 + ... + 304792.

Almost surely, 2^147402442 is an apocalyptic number.

147402442 is a deficient number, since it is larger than the sum of its proper divisors (95629256).

147402442 is a wasteful number, since it uses less digits than its factorization.

147402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609125 (or 609114 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 147402442 is about 12140.9407378506. The cubic root of 147402442 is about 528.2443891798.

The spelling of 147402442 in words is "one hundred forty-seven million, four hundred two thousand, four hundred forty-two".