147149770 has 24 divisors (see below), whose sum is σ = 274333644. Its totient is φ = 56827008.

The previous prime is 147149767. The next prime is 147149789. The reversal of 147149770 is 77941741.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 19527561 + 127622209 = 4419^2 + 11297^2 .

It is a super-2 number, since 2×147149770² = 43306109622105800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339 + ... + 17158.

Almost surely, 2^147149770 is an apocalyptic number.

147149770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147149770 is a deficient number, since it is larger than the sum of its proper divisors (127183874).

147149770 is a wasteful number, since it uses less digits than its factorization.

147149770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562 (or 17533 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 147149770 is about 12130.5304912852. The cubic root of 147149770 is about 527.9423839985.

The spelling of 147149770 in words is "one hundred forty-seven million, one hundred forty-nine thousand, seven hundred seventy".