145153315551 has 8 divisors (see below), whose sum is σ = 193646064384. Its totient is φ = 96714721880.

The previous prime is 145153315507. The next prime is 145153315577. The reversal of 145153315551 is 155513351541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145153315551 - 2⁶ = 145153315487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145153315751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13532535 + ... + 13543256.

It is an arithmetic number, because the mean of its divisors is an integer number (24205758048).

Almost surely, 2^145153315551 is an apocalyptic number.

145153315551 is a deficient number, since it is larger than the sum of its proper divisors (48492748833).

145153315551 is a wasteful number, since it uses less digits than its factorization.

145153315551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27077581.

The product of its digits is 112500, while the sum is 39.

The spelling of 145153315551 in words is "one hundred forty-five billion, one hundred fifty-three million, three hundred fifteen thousand, five hundred fifty-one".