147446442 has 48 divisors (see below), whose sum is σ = 375324768. Its totient is φ = 41243040.

The previous prime is 147446437. The next prime is 147446489. The reversal of 147446442 is 244644741.

147446442 is a `hidden beast` number, since 1 + 4 + 7 + 4 + 4 + 644 + 2 = 666.

147446442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 147446397 and 147446406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26068 + ... + 31215.

It is an arithmetic number, because the mean of its divisors is an integer number (7819266).

Almost surely, 2^147446442 is an apocalyptic number.

147446442 is an abundant number, since it is smaller than the sum of its proper divisors (227878326).

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

147446442 is a wasteful number, since it uses less digits than its factorization.

147446442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57315 (or 57312 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 147446442 is about 12142.7526533319. The cubic root of 147446442 is about 528.2969447108.

The spelling of 147446442 in words is "one hundred forty-seven million, four hundred forty-six thousand, four hundred forty-two".