147474142 has 4 divisors (see below), whose sum is σ = 221211216. Its totient is φ = 73737070.

The previous prime is 147474121. The next prime is 147474163. The reversal of 147474142 is 241474741.

147474142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (147474121) and next prime (147474163).

It is a junction number, because it is equal to n+sod(n) for n = 147474098 and 147474107.

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, 36868534 + ... + 36868537.

It is an arithmetic number, because the mean of its divisors is an integer number (55302804).

Almost surely, 2^147474142 is an apocalyptic number.

147474142 is a deficient number, since it is larger than the sum of its proper divisors (73737074).

147474142 is an equidigital number, since it uses as much as digits as its factorization.

147474142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73737073.

The product of its digits is 25088, while the sum is 34.

The square root of 147474142 is about 12143.8931978176. The cubic root of 147474142 is about 528.3300254437.

The spelling of 147474142 in words is "one hundred forty-seven million, four hundred seventy-four thousand, one hundred forty-two".