145300334531 has 12 divisors (see below), whose sum is σ = 159720338400. Its totient is φ = 132082898640.

The previous prime is 145300334519. The next prime is 145300334533. The reversal of 145300334531 is 135433003541.

It is a de Polignac number, because none of the positive numbers 2^k-145300334531 is a prime.

It is a super-2 number, since 2×145300334531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145300334533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2721350 + ... + 2774228.

It is an arithmetic number, because the mean of its divisors is an integer number (13310028200).

Almost surely, 2^145300334531 is an apocalyptic number.

145300334531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145300334531 is a deficient number, since it is larger than the sum of its proper divisors (14420003869).

145300334531 is a wasteful number, since it uses less digits than its factorization.

145300334531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75610 (or 75599 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 145300334531 in words is "one hundred forty-five billion, three hundred million, three hundred thirty-four thousand, five hundred thirty-one".