146157770 has 32 divisors (see below), whose sum is σ = 294765696. Its totient is φ = 51710400.

The previous prime is 146157763. The next prime is 146157787. The reversal of 146157770 is 77751641.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13886 + ... + 22025.

It is an arithmetic number, because the mean of its divisors is an integer number (9211428).

Almost surely, 2^146157770 is an apocalyptic number.

146157770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146157770 is an abundant number, since it is smaller than the sum of its proper divisors (148607926).

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

146157770 is a wasteful number, since it uses less digits than its factorization.

146157770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35966.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 146157770 is about 12089.5727798794. The cubic root of 146157770 is about 526.7533456830.

The spelling of 146157770 in words is "one hundred forty-six million, one hundred fifty-seven thousand, seven hundred seventy".