154542457 has 8 divisors (see below), whose sum is σ = 156098880. Its totient is φ = 152994000.

The previous prime is 154542449. The next prime is 154542491. The reversal of 154542457 is 754245451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154542457 - 2³ = 154542449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154543457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41644 + ... + 45202.

It is an arithmetic number, because the mean of its divisors is an integer number (19512360).

Almost surely, 2^154542457 is an apocalyptic number.

It is an amenable number.

154542457 is a deficient number, since it is larger than the sum of its proper divisors (1556423).

154542457 is a wasteful number, since it uses less digits than its factorization.

154542457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its digits is 112000, while the sum is 37.

The square root of 154542457 is about 12431.5106483484. The cubic root of 154542457 is about 536.6394603614.

The spelling of 154542457 in words is "one hundred fifty-four million, five hundred forty-two thousand, four hundred fifty-seven".