152454149 has 4 divisors (see below), whose sum is σ = 154542636. Its totient is φ = 150365664.

The previous prime is 152454139. The next prime is 152454167. The reversal of 152454149 is 941454251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941454251 = 281 ⋅3350371.

It can be written as a sum of positive squares in 2 ways, for example, as 68145025 + 84309124 = 8255^2 + 9182^2 .

It is a cyclic number.

It is not a de Polignac number, because 152454149 - 2⁸ = 152453893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152454139) 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, 1044134 + ... + 1044279.

It is an arithmetic number, because the mean of its divisors is an integer number (38635659).

Almost surely, 2^152454149 is an apocalyptic number.

It is an amenable number.

152454149 is a deficient number, since it is larger than the sum of its proper divisors (2088487).

152454149 is an equidigital number, since it uses as much as digits as its factorization.

152454149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088486.

The product of its digits is 28800, while the sum is 35.

The square root of 152454149 is about 12347.2324429404. The cubic root of 152454149 is about 534.2113152738.

The spelling of 152454149 in words is "one hundred fifty-two million, four hundred fifty-four thousand, one hundred forty-nine".