154152122 has 8 divisors (see below), whose sum is σ = 232780500. Its totient is φ = 76558624.

The previous prime is 154152113. The next prime is 154152127. The reversal of 154152122 is 221251451.

It can be written as a sum of positive squares in 2 ways, for example, as 105863521 + 48288601 = 10289^2 + 6949^2 .

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

It is not an unprimeable number, because it can be changed into a prime (154152127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258347 + ... + 258942.

Almost surely, 2^154152122 is an apocalyptic number.

154152122 is a deficient number, since it is larger than the sum of its proper divisors (78628378).

154152122 is a wasteful number, since it uses less digits than its factorization.

154152122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517440.

The product of its digits is 800, while the sum is 23.

The square root of 154152122 is about 12415.8013031781. The cubic root of 154152122 is about 536.1872744465.

The spelling of 154152122 in words is "one hundred fifty-four million, one hundred fifty-two thousand, one hundred twenty-two".