146613440 has 56 divisors (see below), whose sum is σ = 369673632. Its totient is φ = 55193600.

The previous prime is 146613437. The next prime is 146613461. The reversal of 146613440 is 44316641.

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 7 ways as a sum of consecutive naturals, for example, 8036 + ... + 18915.

Almost surely, 2^146613440 is an apocalyptic number.

146613440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146613440 is an abundant number, since it is smaller than the sum of its proper divisors (223060192).

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

146613440 is a wasteful number, since it uses less digits than its factorization.

146613440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26985 (or 26975 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 146613440 is about 12108.4036933033. The cubic root of 146613440 is about 527.3001901164.

The spelling of 146613440 in words is "one hundred forty-six million, six hundred thirteen thousand, four hundred forty".