145525415331 has 8 divisors (see below), whose sum is σ = 196371645120. Its totient is φ = 95848064552.

The previous prime is 145525415311. The next prime is 145525415339. The reversal of 145525415331 is 133514525541.

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

It is a cyclic number.

It is not a de Polignac number, because 145525415331 - 2²⁶ = 145458306467 is a prime.

It is a super-2 number, since 2×145525415331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145525415331.

It is not an unprimeable number, because it can be changed into a prime (145525415339) 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, 292219461 + ... + 292219958.

It is an arithmetic number, because the mean of its divisors is an integer number (24546455640).

Almost surely, 2^145525415331 is an apocalyptic number.

145525415331 is a deficient number, since it is larger than the sum of its proper divisors (50846229789).

145525415331 is an equidigital number, since it uses as much as digits as its factorization.

145525415331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584439505.

The product of its digits is 180000, while the sum is 39.

The spelling of 145525415331 in words is "one hundred forty-five billion, five hundred twenty-five million, four hundred fifteen thousand, three hundred thirty-one".