146999040 has 72 divisors (see below), whose sum is σ = 469490448. Its totient is φ = 39198720.

The previous prime is 146999023. The next prime is 146999089. The reversal of 146999040 is 40999641.

It is a junction number, because it is equal to n+sod(n) for n = 146998983 and 146999001.

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, 15301 + ... + 22980.

Almost surely, 2^146999040 is an apocalyptic number.

146999040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146999040 is an abundant number, since it is smaller than the sum of its proper divisors (322491408).

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

146999040 is an equidigital number, since it uses as much as digits as its factorization.

146999040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38305 (or 38291 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 146999040 is about 12124.3160631848. The cubic root of 146999040 is about 527.7620599156.

The spelling of 146999040 in words is "one hundred forty-six million, nine hundred ninety-nine thousand, forty".