147331908 has 36 divisors (see below), whose sum is σ = 374902528. Its totient is φ = 48783600.

The previous prime is 147331907. The next prime is 147331939. The reversal of 147331908 is 809133741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×147331908² = 43413382229840928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (147331903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8116 + ... + 18987.

Almost surely, 2^147331908 is an apocalyptic number.

147331908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

147331908 is an abundant number, since it is smaller than the sum of its proper divisors (227570620).

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

147331908 is a wasteful number, since it uses less digits than its factorization.

147331908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27264 (or 27259 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 147331908 is about 12138.0355906547. The cubic root of 147331908 is about 528.1601184494.

It can be divided in two parts, 14733 and 1908, that added together give a square (16641 = 129²).

The spelling of 147331908 in words is "one hundred forty-seven million, three hundred thirty-one thousand, nine hundred eight".