146899970 has 32 divisors (see below), whose sum is σ = 307324800. Its totient is φ = 49510656.

The previous prime is 146899969. The next prime is 146899981. The reversal of 146899970 is 79998641.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13655 + ... + 21914.

It is an arithmetic number, because the mean of its divisors is an integer number (9603900).

Almost surely, 2^146899970 is an apocalyptic number.

146899970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146899970 is an abundant number, since it is smaller than the sum of its proper divisors (160424830).

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

146899970 is a wasteful number, since it uses less digits than its factorization.

146899970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35642.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 146899970 is about 12120.2297833003. The cubic root of 146899970 is about 527.6434715276.

The spelling of 146899970 in words is "one hundred forty-six million, eight hundred ninety-nine thousand, nine hundred seventy".