147677942 has 4 divisors (see below), whose sum is σ = 221516916. Its totient is φ = 73838970.

The previous prime is 147677921. The next prime is 147677977. The reversal of 147677942 is 249776741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249776741 = 12101 ⋅20641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36919484 + ... + 36919487.

It is an arithmetic number, because the mean of its divisors is an integer number (55379229).

Almost surely, 2^147677942 is an apocalyptic number.

147677942 is a deficient number, since it is larger than the sum of its proper divisors (73838974).

147677942 is an equidigital number, since it uses as much as digits as its factorization.

147677942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73838973.

The product of its digits is 592704, while the sum is 47.

The square root of 147677942 is about 12152.2813496067. The cubic root of 147677942 is about 528.5732863895.

The spelling of 147677942 in words is "one hundred forty-seven million, six hundred seventy-seven thousand, nine hundred forty-two".