145583715 has 16 divisors (see below), whose sum is σ = 239230368. Its totient is φ = 75545856.

The previous prime is 145583701. The next prime is 145583729. The reversal of 145583715 is 517385541.

It is an interprime number because it is at equal distance from previous prime (145583701) and next prime (145583729).

It is not a de Polignac number, because 145583715 - 2⁶ = 145583651 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130602 + ... + 131711.

It is an arithmetic number, because the mean of its divisors is an integer number (14951898).

Almost surely, 2^145583715 is an apocalyptic number.

145583715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145583715 is a deficient number, since it is larger than the sum of its proper divisors (93646653).

145583715 is a wasteful number, since it uses less digits than its factorization.

145583715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262358.

The product of its digits is 84000, while the sum is 39.

The square root of 145583715 is about 12065.8076812122. The cubic root of 145583715 is about 526.0628084531.

The spelling of 145583715 in words is "one hundred forty-five million, five hundred eighty-three thousand, seven hundred fifteen".