147293538 has 16 divisors (see below), whose sum is σ = 336671040. Its totient is φ = 42083856.

The previous prime is 147293527. The next prime is 147293557. The reversal of 147293538 is 835392741.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3506989 = 147293538 / (1 + 4 + 7 + 2 + 9 + 3 + 5 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 147293538.

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, 1753453 + ... + 1753536.

It is an arithmetic number, because the mean of its divisors is an integer number (21041940).

Almost surely, 2^147293538 is an apocalyptic number.

147293538 is an abundant number, since it is smaller than the sum of its proper divisors (189377502).

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

147293538 is a wasteful number, since it uses less digits than its factorization.

147293538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507001.

The product of its digits is 181440, while the sum is 42.

The square root of 147293538 is about 12136.4549189621. The cubic root of 147293538 is about 528.1142644691.

The spelling of 147293538 in words is "one hundred forty-seven million, two hundred ninety-three thousand, five hundred thirty-eight".