145551236289 has 16 divisors (see below), whose sum is σ = 199694580672. Its totient is φ = 94231055808.

The previous prime is 145551236269. The next prime is 145551236291. The reversal of 145551236289 is 982632155541.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-145551236289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145551236269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195554 + ... + 1311659.

It is an arithmetic number, because the mean of its divisors is an integer number (12480911292).

Almost surely, 2^145551236289 is an apocalyptic number.

It is an amenable number.

145551236289 is a deficient number, since it is larger than the sum of its proper divisors (54143344383).

145551236289 is a wasteful number, since it uses less digits than its factorization.

145551236289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507776.

The product of its digits is 2592000, while the sum is 51.

The spelling of 145551236289 in words is "one hundred forty-five billion, five hundred fifty-one million, two hundred thirty-six thousand, two hundred eighty-nine".