145307944293 has 16 divisors (see below), whose sum is σ = 196218297600. Its totient is φ = 95635051200.

The previous prime is 145307944291. The next prime is 145307944321. The reversal of 145307944293 is 392449703541.

It is not a de Polignac number, because 145307944293 - 2¹ = 145307944291 is a prime.

It is a super-2 number, since 2×145307944293² (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 (145307944291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2480643 + ... + 2538543.

It is an arithmetic number, because the mean of its divisors is an integer number (12263643600).

Almost surely, 2^145307944293 is an apocalyptic number.

It is an amenable number.

145307944293 is a deficient number, since it is larger than the sum of its proper divisors (50910353307).

145307944293 is a wasteful number, since it uses less digits than its factorization.

145307944293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68572.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 145307944293 in words is "one hundred forty-five billion, three hundred seven million, nine hundred forty-four thousand, two hundred ninety-three".