145046136299 has 4 divisors (see below), whose sum is σ = 145145552520. Its totient is φ = 144946720080.

The previous prime is 145046136241. The next prime is 145046136307. The reversal of 145046136299 is 992631640541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992631640541 = 7013 ⋅141541657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145046136299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145046136899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49705922 + ... + 49708839.

It is an arithmetic number, because the mean of its divisors is an integer number (36286388130).

Almost surely, 2^145046136299 is an apocalyptic number.

145046136299 is a deficient number, since it is larger than the sum of its proper divisors (99416221).

145046136299 is an equidigital number, since it uses as much as digits as its factorization.

145046136299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99416220.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 145046136299 in words is "one hundred forty-five billion, forty-six million, one hundred thirty-six thousand, two hundred ninety-nine".