145650015 has 32 divisors (see below), whose sum is σ = 295925760. Its totient is φ = 66582432.

The previous prime is 145649993. The next prime is 145650031. The reversal of 145650015 is 510056541.

It is a happy number.

145650015 is a `hidden beast` number, since 1 + 4 + 5 + 650 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 145650015 - 2⁹ = 145649503 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 76119 + ... + 78008.

It is an arithmetic number, because the mean of its divisors is an integer number (9247680).

Almost surely, 2^145650015 is an apocalyptic number.

145650015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145650015 is an abundant number, since it is smaller than the sum of its proper divisors (150275745).

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

145650015 is a wasteful number, since it uses less digits than its factorization.

145650015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154148 (or 154142 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 145650015 is about 12068.5548016322. The cubic root of 145650015 is about 526.1426540846.

The spelling of 145650015 in words is "one hundred forty-five million, six hundred fifty thousand, fifteen".