145163815 has 8 divisors (see below), whose sum is σ = 174331008. Its totient is φ = 116041440.

The previous prime is 145163803. The next prime is 145163827. The reversal of 145163815 is 518361541.

It is an interprime number because it is at equal distance from previous prime (145163803) and next prime (145163827).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145163815 - 2⁵ = 145163783 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, 3607 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (21791376).

Almost surely, 2^145163815 is an apocalyptic number.

145163815 is a deficient number, since it is larger than the sum of its proper divisors (29167193).

145163815 is a wasteful number, since it uses less digits than its factorization.

145163815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22409.

The product of its digits is 14400, while the sum is 34.

The square root of 145163815 is about 12048.3947063499. The cubic root of 145163815 is about 525.5565556641.

The spelling of 145163815 in words is "one hundred forty-five million, one hundred sixty-three thousand, eight hundred fifteen".