146015988 has 24 divisors (see below), whose sum is σ = 358636320. Its totient is φ = 46110240.

The previous prime is 146015951. The next prime is 146015999. The reversal of 146015988 is 889510641.

It is a super-2 number, since 2×146015988² = 42641337503232288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319983 + ... + 320438.

It is an arithmetic number, because the mean of its divisors is an integer number (14943180).

Almost surely, 2^146015988 is an apocalyptic number.

It is an amenable number.

146015988 is an abundant number, since it is smaller than the sum of its proper divisors (212620332).

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

146015988 is a wasteful number, since it uses less digits than its factorization.

146015988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640447 (or 640445 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 146015988 is about 12083.7075436308. The cubic root of 146015988 is about 526.5829628944.

The spelling of 146015988 in words is "one hundred forty-six million, fifteen thousand, nine hundred eighty-eight".