145959577 has 4 divisors (see below), whose sum is σ = 153641680. Its totient is φ = 138277476.

The previous prime is 145959571. The next prime is 145959601. The reversal of 145959577 is 775959541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145959577 - 2²³ = 137570969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145959571) 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 3 ways as a sum of consecutive naturals, for example, 3841023 + ... + 3841060.

It is an arithmetic number, because the mean of its divisors is an integer number (38410420).

Almost surely, 2^145959577 is an apocalyptic number.

It is an amenable number.

145959577 is a deficient number, since it is larger than the sum of its proper divisors (7682103).

145959577 is an equidigital number, since it uses as much as digits as its factorization.

145959577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7682102.

The product of its digits is 1984500, while the sum is 52.

The square root of 145959577 is about 12081.3731421557. The cubic root of 145959577 is about 526.5151417877.

The spelling of 145959577 in words is "one hundred forty-five million, nine hundred fifty-nine thousand, five hundred seventy-seven".