147022590 has 128 divisors (see below), whose sum is σ = 424714752. Its totient is φ = 32094720.

The previous prime is 147022567. The next prime is 147022591. The reversal of 147022590 is 95220741.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147022591) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184072 + ... + 184868.

It is an arithmetic number, because the mean of its divisors is an integer number (3318084).

Almost surely, 2^147022590 is an apocalyptic number.

147022590 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 147022590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212357376).

147022590 is an abundant number, since it is smaller than the sum of its proper divisors (277692162).

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

147022590 is a wasteful number, since it uses less digits than its factorization.

147022590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 147022590 is about 12125.2872130931. The cubic root of 147022590 is about 527.7902418068.

The spelling of 147022590 in words is "one hundred forty-seven million, twenty-two thousand, five hundred ninety".