154545920 has 36 divisors (see below), whose sum is σ = 370188840. Its totient is φ = 61817856.

The previous prime is 154545893. The next prime is 154545953. The reversal of 154545920 is 29545451.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 59090 + ... + 61649.

Almost surely, 2^154545920 is an apocalyptic number.

154545920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154545920 is an abundant number, since it is smaller than the sum of its proper divisors (215642920).

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

154545920 is an equidigital number, since it uses as much as digits as its factorization.

154545920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120760 (or 120746 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 154545920 is about 12431.6499307212. The cubic root of 154545920 is about 536.6434686851.

The spelling of 154545920 in words is "one hundred fifty-four million, five hundred forty-five thousand, nine hundred twenty".