145564515460 has 96 divisors (see below), whose sum is σ = 377513724672. Its totient is φ = 45911370240.

The previous prime is 145564515413. The next prime is 145564515463. The reversal of 145564515460 is 64515465541.

It is a super-2 number, since 2×145564515460² (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 145564515460.

It is not an unprimeable number, because it can be changed into a prime (145564515463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396775 + ... + 669745.

It is an arithmetic number, because the mean of its divisors is an integer number (3932434632).

Almost surely, 2^145564515460 is an apocalyptic number.

145564515460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145564515460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188756862336).

145564515460 is an abundant number, since it is smaller than the sum of its proper divisors (231949209212).

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

145564515460 is a wasteful number, since it uses less digits than its factorization.

145564515460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273293 (or 273291 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 145564515460 in words is "one hundred forty-five billion, five hundred sixty-four million, five hundred fifteen thousand, four hundred sixty".