145253400515 has 16 divisors (see below), whose sum is σ = 181072853760. Its totient is φ = 111737957760.

The previous prime is 145253400491. The next prime is 145253400517. The reversal of 145253400515 is 515004352541.

It is not a de Polignac number, because 145253400515 - 2¹⁰ = 145253399491 is a prime.

It is a super-2 number, since 2×145253400515² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145253400517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2960120 + ... + 3008789.

It is an arithmetic number, because the mean of its divisors is an integer number (11317053360).

Almost surely, 2^145253400515 is an apocalyptic number.

145253400515 is a deficient number, since it is larger than the sum of its proper divisors (35819453245).

145253400515 is a wasteful number, since it uses less digits than its factorization.

145253400515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969102.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 145253400515 in words is "one hundred forty-five billion, two hundred fifty-three million, four hundred thousand, five hundred fifteen".