147195090 has 128 divisors (see below), whose sum is σ = 472320000. Its totient is φ = 31866048.

The previous prime is 147195089. The next prime is 147195107. The reversal of 147195090 is 90591741.

147195090 is a `hidden beast` number, since 147 + 1 + 9 + 509 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33861 + ... + 37959.

It is an arithmetic number, because the mean of its divisors is an integer number (3690000).

Almost surely, 2^147195090 is an apocalyptic number.

147195090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147195090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236160000).

147195090 is an abundant number, since it is smaller than the sum of its proper divisors (325124910).

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

147195090 is a wasteful number, since it uses less digits than its factorization.

147195090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4135 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 147195090 is about 12132.3983614123. The cubic root of 147195090 is about 527.9965779737.

The spelling of 147195090 in words is "one hundred forty-seven million, one hundred ninety-five thousand, ninety".