145816375 has 8 divisors (see below), whose sum is σ = 181978992. Its totient is φ = 116653000.

The previous prime is 145816357. The next prime is 145816381. The reversal of 145816375 is 573618541.

It is a happy number.

It is not a de Polignac number, because 145816375 - 2⁷ = 145816247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583141 + ... + 583390.

It is an arithmetic number, because the mean of its divisors is an integer number (22747374).

Almost surely, 2^145816375 is an apocalyptic number.

145816375 is a deficient number, since it is larger than the sum of its proper divisors (36162617).

145816375 is an equidigital number, since it uses as much as digits as its factorization.

145816375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166546 (or 1166536 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 145816375 is about 12075.4451263711. The cubic root of 145816375 is about 526.3428961697.

The spelling of 145816375 in words is "one hundred forty-five million, eight hundred sixteen thousand, three hundred seventy-five".