145731571460 has 24 divisors (see below), whose sum is σ = 324038436120. Its totient is φ = 54863650304.

The previous prime is 145731571439. The next prime is 145731571483. The reversal of 145731571460 is 64175137541.

It can be written as a sum of positive squares in 4 ways, for example, as 54393434176 + 91338137284 = 233224^2 + 302222^2 .

It is a super-3 number, since 3×145731571460³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214310795 + ... + 214311474.

It is an arithmetic number, because the mean of its divisors is an integer number (13501601505).

Almost surely, 2^145731571460 is an apocalyptic number.

145731571460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145731571460 is an abundant number, since it is smaller than the sum of its proper divisors (178306864660).

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

145731571460 is a wasteful number, since it uses less digits than its factorization.

145731571460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428622295 (or 428622293 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 145731571460 in words is "one hundred forty-five billion, seven hundred thirty-one million, five hundred seventy-one thousand, four hundred sixty".