152194253 has 4 divisors (see below), whose sum is σ = 152527740. Its totient is φ = 151860768.

The previous prime is 152194249. The next prime is 152194267. The reversal of 152194253 is 352491251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145853929 + 6340324 = 12077^2 + 2518^2 .

It is a cyclic number.

It is not a de Polignac number, because 152194253 - 2² = 152194249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152194223) 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, 166058 + ... + 166971.

It is an arithmetic number, because the mean of its divisors is an integer number (38131935).

Almost surely, 2^152194253 is an apocalyptic number.

It is an amenable number.

152194253 is a deficient number, since it is larger than the sum of its proper divisors (333487).

152194253 is an equidigital number, since it uses as much as digits as its factorization.

152194253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333486.

The product of its digits is 10800, while the sum is 32.

The square root of 152194253 is about 12336.7034899928. The cubic root of 152194253 is about 533.9075772753.

The spelling of 152194253 in words is "one hundred fifty-two million, one hundred ninety-four thousand, two hundred fifty-three".