145415311254 has 24 divisors (see below), whose sum is σ = 321011160912. Its totient is φ = 47557208400.

The previous prime is 145415311231. The next prime is 145415311259. The reversal of 145415311254 is 452113514541.

145415311254 is a `hidden beast` number, since 1 + 4 + 541 + 53 + 1 + 12 + 54 = 666.

It is a super-2 number, since 2×145415311254² (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 (145415311259) 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, 76212522 + ... + 76214429.

It is an arithmetic number, because the mean of its divisors is an integer number (13375465038).

Almost surely, 2^145415311254 is an apocalyptic number.

145415311254 is an abundant number, since it is smaller than the sum of its proper divisors (175595849658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145415311254 is a wasteful number, since it uses less digits than its factorization.

145415311254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152427012 (or 152427009 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

Adding to 145415311254 its reverse (452113514541), we get a palindrome (597528825795).

The spelling of 145415311254 in words is "one hundred forty-five billion, four hundred fifteen million, three hundred eleven thousand, two hundred fifty-four".