154413333252 has 18 divisors (see below), whose sum is σ = 390322592478. Its totient is φ = 51471111072.

The previous prime is 154413333223. The next prime is 154413333253. The reversal of 154413333252 is 252333314451.

154413333252 is a `hidden beast` number, since 1 + 544 + 1 + 3 + 33 + 32 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80012042496 + 74401290756 = 282864^2 + 272766^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4289259257 = 154413333252 / (1 + 5 + 4 + 4 + 1 + 3 + 3 + 3 + 3 + 2 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (154413333253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2144629593 + ... + 2144629664.

It is an arithmetic number, because the mean of its divisors is an integer number (21684588471).

Almost surely, 2^154413333252 is an apocalyptic number.

154413333252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154413333252 is an abundant number, since it is smaller than the sum of its proper divisors (235909259226).

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

154413333252 is a wasteful number, since it uses less digits than its factorization.

154413333252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289259267 (or 4289259262 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The spelling of 154413333252 in words is "one hundred fifty-four billion, four hundred thirteen million, three hundred thirty-three thousand, two hundred fifty-two".