146157544 has 16 divisors (see below), whose sum is σ = 295126020. Its totient is φ = 67457280.

The previous prime is 146157523. The next prime is 146157553. The reversal of 146157544 is 445751641.

It can be written as a sum of positive squares in 2 ways, for example, as 133125444 + 13032100 = 11538^2 + 3610^2 .

It is a super-2 number, since 2×146157544² = 42724055336223872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702577 + ... + 702784.

Almost surely, 2^146157544 is an apocalyptic number.

It is an amenable number.

146157544 is an abundant number, since it is smaller than the sum of its proper divisors (148968476).

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

146157544 is a wasteful number, since it uses less digits than its factorization.

146157544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405380 (or 1405376 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 146157544 is about 12089.5634329780. The cubic root of 146157544 is about 526.7530741811.

The spelling of 146157544 in words is "one hundred forty-six million, one hundred fifty-seven thousand, five hundred forty-four".