147982690 has 16 divisors (see below), whose sum is σ = 277950528. Its totient is φ = 56619376.

The previous prime is 147982687. The next prime is 147982691. The reversal of 147982690 is 96289741.

It is a super-2 number, since 2×147982690² = 43797753079272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 147982690.

It is not an unprimeable number, because it can be changed into a prime (147982691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321472 + ... + 321931.

It is an arithmetic number, because the mean of its divisors is an integer number (17371908).

Almost surely, 2^147982690 is an apocalyptic number.

147982690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147982690 is a deficient number, since it is larger than the sum of its proper divisors (129967838).

147982690 is a wasteful number, since it uses less digits than its factorization.

147982690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643433.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 147982690 is about 12164.8136031753. The cubic root of 147982690 is about 528.9366242808.

The spelling of 147982690 in words is "one hundred forty-seven million, nine hundred eighty-two thousand, six hundred ninety".