155466457 has 16 divisors (see below), whose sum is σ = 165265408. Its totient is φ = 146013840.

The previous prime is 155466439. The next prime is 155466461. The reversal of 155466457 is 754664551.

It is a cyclic number.

It is not a de Polignac number, because 155466457 - 2⁷ = 155466329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155466427) 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 15 ways as a sum of consecutive naturals, for example, 296998 + ... + 297520.

It is an arithmetic number, because the mean of its divisors is an integer number (10329088).

Almost surely, 2^155466457 is an apocalyptic number.

It is an amenable number.

155466457 is a deficient number, since it is larger than the sum of its proper divisors (9798951).

155466457 is a wasteful number, since it uses less digits than its factorization.

155466457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its digits is 504000, while the sum is 43.

The square root of 155466457 is about 12468.6188890350. The cubic root of 155466457 is about 537.7068475199.

The spelling of 155466457 in words is "one hundred fifty-five million, four hundred sixty-six thousand, four hundred fifty-seven".