145767315 has 32 divisors (see below), whose sum is σ = 237867840. Its totient is φ = 76212224.

The previous prime is 145767269. The next prime is 145767319. The reversal of 145767315 is 513767541.

It is a cyclic number.

It is not a de Polignac number, because 145767315 - 2⁷ = 145767187 is a prime.

It is a super-2 number, since 2×145767315² = 42496220244618450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145767319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182497 + ... + 183293.

It is an arithmetic number, because the mean of its divisors is an integer number (7433370).

Almost surely, 2^145767315 is an apocalyptic number.

145767315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145767315 is a deficient number, since it is larger than the sum of its proper divisors (92100525).

145767315 is a wasteful number, since it uses less digits than its factorization.

145767315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its digits is 88200, while the sum is 39.

The square root of 145767315 is about 12073.4135603813. The cubic root of 145767315 is about 526.2838600955.

The spelling of 145767315 in words is "one hundred forty-five million, seven hundred sixty-seven thousand, three hundred fifteen".