146863240 has 32 divisors (see below), whose sum is σ = 331695000. Its totient is φ = 58522624.

The previous prime is 146863237. The next prime is 146863267. The reversal of 146863240 is 42368641.

It can be written as a sum of positive squares in 4 ways, for example, as 48972004 + 97891236 = 6998^2 + 9894^2 .

It is a super-2 number, since 2×146863240² = 43137622526595200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146863196 and 146863205.

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, 3936 + ... + 17584.

Almost surely, 2^146863240 is an apocalyptic number.

146863240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146863240 is an abundant number, since it is smaller than the sum of its proper divisors (184831760).

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

146863240 is a wasteful number, since it uses less digits than its factorization.

146863240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929 (or 13925 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 146863240 is about 12118.7144532743. The cubic root of 146863240 is about 527.5994915772.

The spelling of 146863240 in words is "one hundred forty-six million, eight hundred sixty-three thousand, two hundred forty".