147770490 has 64 divisors (see below), whose sum is σ = 418406400. Its totient is φ = 32685120.

The previous prime is 147770453. The next prime is 147770507. The reversal of 147770490 is 94077741.

It is a super-2 number, since 2×147770490² = 43672235429680200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4840 + ... + 17859.

It is an arithmetic number, because the mean of its divisors is an integer number (6537600).

Almost surely, 2^147770490 is an apocalyptic number.

147770490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147770490 is an abundant number, since it is smaller than the sum of its proper divisors (270635910).

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

147770490 is a wasteful number, since it uses less digits than its factorization.

147770490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22747.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 147770490 is about 12156.0885979002. The cubic root of 147770490 is about 528.6836801842.

The spelling of 147770490 in words is "one hundred forty-seven million, seven hundred seventy thousand, four hundred ninety".