146248240 has 40 divisors (see below), whose sum is σ = 340545168. Its totient is φ = 58410240.

The previous prime is 146248217. The next prime is 146248261. The reversal of 146248240 is 42842641.

It is a tau number, because it is divible by the number of its divisors (40).

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, 84019 + ... + 85741.

Almost surely, 2^146248240 is an apocalyptic number.

146248240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146248240 is an abundant number, since it is smaller than the sum of its proper divisors (194296928).

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

146248240 is a wasteful number, since it uses less digits than its factorization.

With its successor (146248241) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (2791).

146248240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 146248240 is about 12093.3138551846. The cubic root of 146248240 is about 526.8620080457.

The spelling of 146248240 in words is "one hundred forty-six million, two hundred forty-eight thousand, two hundred forty".