147256742 has 8 divisors (see below), whose sum is σ = 220991232. Its totient is φ = 73593000.

The previous prime is 147256723. The next prime is 147256757. The reversal of 147256742 is 247652741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 147256696 and 147256705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12134 + ... + 21017.

It is an arithmetic number, because the mean of its divisors is an integer number (27623904).

Almost surely, 2^147256742 is an apocalyptic number.

147256742 is a deficient number, since it is larger than the sum of its proper divisors (73734490).

147256742 is a wasteful number, since it uses less digits than its factorization.

147256742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35374.

The product of its digits is 94080, while the sum is 38.

The square root of 147256742 is about 12134.9388956022. The cubic root of 147256742 is about 528.0702840131.

The spelling of 147256742 in words is "one hundred forty-seven million, two hundred fifty-six thousand, seven hundred forty-two".