45140154 has 16 divisors (see below), whose sum is σ = 93192960. Its totient is φ = 14561280.

The previous prime is 45140149. The next prime is 45140159. The reversal of 45140154 is 45104154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45140149) and next prime (45140159).

It is not an unprimeable number, because it can be changed into a prime (45140159) 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, 121159 + ... + 121530.

It is an arithmetic number, because the mean of its divisors is an integer number (5824560).

Almost surely, 2^45140154 is an apocalyptic number.

45140154 is an abundant number, since it is smaller than the sum of its proper divisors (48052806).

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

45140154 is a wasteful number, since it uses less digits than its factorization.

45140154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242725.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 45140154 is about 6718.6422735550. The cubic root of 45140154 is about 356.0582165030.

The spelling of 45140154 in words is "forty-five million, one hundred forty thousand, one hundred fifty-four".