45122154 has 64 divisors (see below), whose sum is σ = 113743872. Its totient is φ = 11592000.

The previous prime is 45122153. The next prime is 45122171.

45122154 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (45122153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46179 + ... + 47145.

It is an arithmetic number, because the mean of its divisors is an integer number (1777248).

Almost surely, 2^45122154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45122154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56871936).

45122154 is an abundant number, since it is smaller than the sum of its proper divisors (68621718).

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

45122154 is a wasteful number, since it uses less digits than its factorization.

45122154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

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

The square root of 45122154 is about 6717.3025836269. The cubic root of 45122154 is about 356.0108831837.

It can be divided in two parts, 4512 and 2154, that added together give a palindrome (6666).

The spelling of 45122154 in words is "forty-five million, one hundred twenty-two thousand, one hundred fifty-four".