146903970 has 64 divisors (see below), whose sum is σ = 378660096. Its totient is φ = 36341760.

The previous prime is 146903929. The next prime is 146904007. The reversal of 146903970 is 79309641.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34182 + ... + 38238.

It is an arithmetic number, because the mean of its divisors is an integer number (5916564).

Almost surely, 2^146903970 is an apocalyptic number.

146903970 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 146903970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189330048).

146903970 is an abundant number, since it is smaller than the sum of its proper divisors (231756126).

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

146903970 is a wasteful number, since it uses less digits than its factorization.

146903970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 146903970 is about 12120.3947955502. The cubic root of 146903970 is about 527.6482606248.

The spelling of 146903970 in words is "one hundred forty-six million, nine hundred three thousand, nine hundred seventy".