145250589551 has 8 divisors (see below), whose sum is σ = 150266000880. Its totient is φ = 140235629632.

The previous prime is 145250589527. The next prime is 145250589553. The reversal of 145250589551 is 155985052541.

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 145250589551 - 2¹⁸ = 145250327407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145250589551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145250589553) 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, 623276 + ... + 823998.

It is an arithmetic number, because the mean of its divisors is an integer number (18783250110).

Almost surely, 2^145250589551 is an apocalyptic number.

145250589551 is a deficient number, since it is larger than the sum of its proper divisors (5015411329).

145250589551 is a wasteful number, since it uses less digits than its factorization.

145250589551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225705.

The product of its (nonzero) digits is 1800000, while the sum is 50.

The spelling of 145250589551 in words is "one hundred forty-five billion, two hundred fifty million, five hundred eighty-nine thousand, five hundred fifty-one".