145024153251 has 4 divisors (see below), whose sum is σ = 193365537672. Its totient is φ = 96682768832.

The previous prime is 145024153247. The next prime is 145024153273. The reversal of 145024153251 is 152351420541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152351420541 = 3 ⋅50783806847.

It is a cyclic number.

It is not a de Polignac number, because 145024153251 - 2² = 145024153247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145024153291) 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, 24170692206 + ... + 24170692211.

It is an arithmetic number, because the mean of its divisors is an integer number (48341384418).

Almost surely, 2^145024153251 is an apocalyptic number.

145024153251 is a deficient number, since it is larger than the sum of its proper divisors (48341384421).

145024153251 is an equidigital number, since it uses as much as digits as its factorization.

145024153251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48341384420.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 145024153251 its reverse (152351420541), we get a palindrome (297375573792).

The spelling of 145024153251 in words is "one hundred forty-five billion, twenty-four million, one hundred fifty-three thousand, two hundred fifty-one".