145253251345 has 16 divisors (see below), whose sum is σ = 180469632960. Its totient is φ = 112099013824.

The previous prime is 145253251321. The next prime is 145253251439. The reversal of 145253251345 is 543152352541.

It is a cyclic number.

It is not a de Polignac number, because 145253251345 - 2⁷ = 145253251217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145253251298 and 145253251307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262039 + ... + 599308.

It is an arithmetic number, because the mean of its divisors is an integer number (11279352060).

Almost surely, 2^145253251345 is an apocalyptic number.

It is an amenable number.

145253251345 is a deficient number, since it is larger than the sum of its proper divisors (35216381615).

145253251345 is a wasteful number, since it uses less digits than its factorization.

145253251345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862544.

The product of its digits is 360000, while the sum is 40.

The spelling of 145253251345 in words is "one hundred forty-five billion, two hundred fifty-three million, two hundred fifty-one thousand, three hundred forty-five".