145412110615 has 4 divisors (see below), whose sum is σ = 174494532744. Its totient is φ = 116329688488.

The previous prime is 145412110607. The next prime is 145412110643. The reversal of 145412110615 is 516011214541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145412110615 - 2³ = 145412110607 is a prime.

It is a super-2 number, since 2×145412110615² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14541211057 + ... + 14541211066.

It is an arithmetic number, because the mean of its divisors is an integer number (43623633186).

Almost surely, 2^145412110615 is an apocalyptic number.

145412110615 is a deficient number, since it is larger than the sum of its proper divisors (29082422129).

145412110615 is an equidigital number, since it uses as much as digits as its factorization.

145412110615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29082422128.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 145412110615 in words is "one hundred forty-five billion, four hundred twelve million, one hundred ten thousand, six hundred fifteen".