147500642 has 4 divisors (see below), whose sum is σ = 221250966. Its totient is φ = 73750320.

The previous prime is 147500627. The next prime is 147500651. The reversal of 147500642 is 246005741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246005741 = 61 ⋅4032881.

It can be written as a sum of positive squares in only one way, i.e., 140683321 + 6817321 = 11861^2 + 2611^2 .

It is a super-3 number, since 3×147500642³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36875159 + ... + 36875162.

Almost surely, 2^147500642 is an apocalyptic number.

147500642 is a deficient number, since it is larger than the sum of its proper divisors (73750324).

147500642 is an equidigital number, since it uses as much as digits as its factorization.

147500642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73750323.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 147500642 is about 12144.9842321841. The cubic root of 147500642 is about 528.3616691993.

The spelling of 147500642 in words is "one hundred forty-seven million, five hundred thousand, six hundred forty-two".