145380015 has 40 divisors (see below), whose sum is σ = 284307408. Its totient is φ = 70485120.

The previous prime is 145379989. The next prime is 145380023. The reversal of 145380015 is 510083541.

145380015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145380015 - 2¹⁰ = 145378991 is a prime.

It is a super-2 number, since 2×145380015² = 42270697522800450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11862 + ... + 20771.

Almost surely, 2^145380015 is an apocalyptic number.

145380015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145380015 is a deficient number, since it is larger than the sum of its proper divisors (138927393).

145380015 is a wasteful number, since it uses less digits than its factorization.

145380015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32661 (or 32652 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 145380015 is about 12057.3635177845. The cubic root of 145380015 is about 525.8173391212.

The spelling of 145380015 in words is "one hundred forty-five million, three hundred eighty thousand, fifteen".