45123432154 has 8 divisors (see below), whose sum is σ = 68695374528. Its totient is φ = 22224973980.

The previous prime is 45123432143. The next prime is 45123432157.

45123432154 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45123432154² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45123432157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168370882 + ... + 168371149.

It is an arithmetic number, because the mean of its divisors is an integer number (8586921816).

Almost surely, 2^45123432154 is an apocalyptic number.

45123432154 is a deficient number, since it is larger than the sum of its proper divisors (23571942374).

45123432154 is a wasteful number, since it uses less digits than its factorization.

45123432154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336742100.

The product of its digits is 57600, while the sum is 34.

The spelling of 45123432154 in words is "forty-five billion, one hundred twenty-three million, four hundred thirty-two thousand, one hundred fifty-four".