146965290 has 32 divisors (see below), whose sum is σ = 359375616. Its totient is φ = 38450880.

The previous prime is 146965277. The next prime is 146965307. The reversal of 146965290 is 92569641.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44626 + ... + 47805.

It is an arithmetic number, because the mean of its divisors is an integer number (11230488).

Almost surely, 2^146965290 is an apocalyptic number.

146965290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146965290 is an abundant number, since it is smaller than the sum of its proper divisors (212410326).

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

146965290 is a wasteful number, since it uses less digits than its factorization.

146965290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92494.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 146965290 is about 12122.9241522002. The cubic root of 146965290 is about 527.7216666068.

The spelling of 146965290 in words is "one hundred forty-six million, nine hundred sixty-five thousand, two hundred ninety".