145412065551 has 16 divisors (see below), whose sum is σ = 196239899520. Its totient is φ = 95763057120.

The previous prime is 145412065529. The next prime is 145412065559. The reversal of 145412065551 is 155560214541.

It is not a de Polignac number, because 145412065551 - 2⁷ = 145412065423 is a prime.

It is a super-2 number, since 2×145412065551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145412065559) 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, 2778060 + ... + 2829918.

It is an arithmetic number, because the mean of its divisors is an integer number (12264993720).

Almost surely, 2^145412065551 is an apocalyptic number.

145412065551 is a deficient number, since it is larger than the sum of its proper divisors (50827833969).

145412065551 is a wasteful number, since it uses less digits than its factorization.

145412065551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63206.

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 145412065551 in words is "one hundred forty-five billion, four hundred twelve million, sixty-five thousand, five hundred fifty-one".