146897970 has 32 divisors (see below), whose sum is σ = 353151360. Its totient is φ = 39106560.

The previous prime is 146897953. The next prime is 146897977. The reversal of 146897970 is 79798641.

It is not an unprimeable number, because it can be changed into a prime (146897977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15411 + ... + 23049.

It is an arithmetic number, because the mean of its divisors is an integer number (11035980).

Almost surely, 2^146897970 is an apocalyptic number.

146897970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146897970 is an abundant number, since it is smaller than the sum of its proper divisors (206253390).

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

146897970 is a wasteful number, since it uses less digits than its factorization.

146897970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 146897970 is about 12120.1472763329. The cubic root of 146897970 is about 527.6410769464.

The spelling of 146897970 in words is "one hundred forty-six million, eight hundred ninety-seven thousand, nine hundred seventy".