427745154 has 16 divisors (see below), whose sum is σ = 855874080. Its totient is φ = 142517760.

The previous prime is 427745147. The next prime is 427745159. The reversal of 427745154 is 451547724.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427745159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319 + ... + 29250.

It is an arithmetic number, because the mean of its divisors is an integer number (53492130).

Almost surely, 2^427745154 is an apocalyptic number.

427745154 is an abundant number, since it is smaller than the sum of its proper divisors (428128926).

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

427745154 is a wasteful number, since it uses less digits than its factorization.

427745154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31985.

The product of its digits is 156800, while the sum is 39.

The square root of 427745154 is about 20682.0007252683. Note that the first 3 decimals coincide. The cubic root of 427745154 is about 753.4625990533.

The spelling of 427745154 in words is "four hundred twenty-seven million, seven hundred forty-five thousand, one hundred fifty-four".