146537790 has 64 divisors (see below), whose sum is σ = 425585664. Its totient is φ = 31523328.

The previous prime is 146537767. The next prime is 146537843. The reversal of 146537790 is 97735641.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16954 + ... + 24093.

It is an arithmetic number, because the mean of its divisors is an integer number (6649776).

Almost surely, 2^146537790 is an apocalyptic number.

146537790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146537790 is an abundant number, since it is smaller than the sum of its proper divisors (279047874).

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

146537790 is a wasteful number, since it uses less digits than its factorization.

146537790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41081.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 146537790 is about 12105.2794267625. The cubic root of 146537790 is about 527.2094819198.

The spelling of 146537790 in words is "one hundred forty-six million, five hundred thirty-seven thousand, seven hundred ninety".