153442253 has 4 divisors (see below), whose sum is σ = 155384640. Its totient is φ = 151499868.

The previous prime is 153442241. The next prime is 153442259. The reversal of 153442253 is 352244351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352244351 = 31 ⋅11362721.

It is a cyclic number.

It is not a de Polignac number, because 153442253 - 2²⁶ = 86333389 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 (153442259) 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, 971075 + ... + 971232.

It is an arithmetic number, because the mean of its divisors is an integer number (38846160).

Almost surely, 2^153442253 is an apocalyptic number.

It is an amenable number.

153442253 is a deficient number, since it is larger than the sum of its proper divisors (1942387).

153442253 is an equidigital number, since it uses as much as digits as its factorization.

153442253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942386.

The product of its digits is 14400, while the sum is 29.

The square root of 153442253 is about 12387.1809948834. The cubic root of 153442253 is about 535.3629621301.

The spelling of 153442253 in words is "one hundred fifty-three million, four hundred forty-two thousand, two hundred fifty-three".