145990659 has 8 divisors (see below), whose sum is σ = 195674112. Its totient is φ = 96817160.

The previous prime is 145990651. The next prime is 145990667. The reversal of 145990659 is 956099541.

It is an interprime number because it is at equal distance from previous prime (145990651) and next prime (145990667).

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 145990659 - 2³ = 145990651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145990651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126819 + ... + 127964.

It is an arithmetic number, because the mean of its divisors is an integer number (24459264).

Almost surely, 2^145990659 is an apocalyptic number.

145990659 is a deficient number, since it is larger than the sum of its proper divisors (49683453).

145990659 is a wasteful number, since it uses less digits than its factorization.

145990659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254977.

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 145990659 is about 12082.6594340816. The cubic root of 145990659 is about 526.5525128244.

The spelling of 145990659 in words is "one hundred forty-five million, nine hundred ninety thousand, six hundred fifty-nine".