147899442 has 16 divisors (see below), whose sum is σ = 296089920. Its totient is φ = 49251312.

The previous prime is 147899369. The next prime is 147899467. The reversal of 147899442 is 244998741.

It is a super-2 number, since 2×147899442² = 43748489887822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147899391 and 147899400.

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, 5217 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (18505620).

Almost surely, 2^147899442 is an apocalyptic number.

147899442 is an abundant number, since it is smaller than the sum of its proper divisors (148190478).

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

147899442 is a wasteful number, since it uses less digits than its factorization.

147899442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24257.

The product of its digits is 580608, while the sum is 48.

The square root of 147899442 is about 12161.3914499945. The cubic root of 147899442 is about 528.8374208410.

The spelling of 147899442 in words is "one hundred forty-seven million, eight hundred ninety-nine thousand, four hundred forty-two".