145952387 has 8 divisors (see below), whose sum is σ = 168362496. Its totient is φ = 123932232.

The previous prime is 145952377. The next prime is 145952413. The reversal of 145952387 is 783259541.

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

It is a cyclic number.

It is not a de Polignac number, because 145952387 - 2¹⁸ = 145690243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145952377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96683 + ... + 98180.

It is an arithmetic number, because the mean of its divisors is an integer number (21045312).

Almost surely, 2^145952387 is an apocalyptic number.

145952387 is a deficient number, since it is larger than the sum of its proper divisors (22410109).

145952387 is a wasteful number, since it uses less digits than its factorization.

145952387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194977.

The product of its digits is 302400, while the sum is 44.

The square root of 145952387 is about 12081.0755729778. The cubic root of 145952387 is about 526.5064962295.

The spelling of 145952387 in words is "one hundred forty-five million, nine hundred fifty-two thousand, three hundred eighty-seven".