145011351531 has 8 divisors (see below), whose sum is σ = 196518115984. Its totient is φ = 95089410720.

The previous prime is 145011351493. The next prime is 145011351593. The reversal of 145011351531 is 135153110541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145011351531 - 2⁹ = 145011351019 is a prime.

It is a super-2 number, since 2×145011351531² (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 (145011351431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396205696 + ... + 396206061.

It is an arithmetic number, because the mean of its divisors is an integer number (24564764498).

Almost surely, 2^145011351531 is an apocalyptic number.

145011351531 is a deficient number, since it is larger than the sum of its proper divisors (51506764453).

145011351531 is an equidigital number, since it uses as much as digits as its factorization.

145011351531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792411821.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 145011351531 in words is "one hundred forty-five billion, eleven million, three hundred fifty-one thousand, five hundred thirty-one".