45154240 has 28 divisors (see below), whose sum is σ = 107524296. Its totient is φ = 18061568.

The previous prime is 45154237. The next prime is 45154253. The reversal of 45154240 is 4245154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70234 + ... + 70873.

Almost surely, 2^45154240 is an apocalyptic number.

45154240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45154240 is an abundant number, since it is smaller than the sum of its proper divisors (62370056).

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

45154240 is a wasteful number, since it uses less digits than its factorization.

45154240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141124 (or 141114 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45154240 is about 6719.6904690618. The cubic root of 45154240 is about 356.0952486794.

Adding to 45154240 its reverse (4245154), we get a palindrome (49399394).

The spelling of 45154240 in words is "forty-five million, one hundred fifty-four thousand, two hundred forty".