145264879 has 4 divisors (see below), whose sum is σ = 148643176. Its totient is φ = 141886584.

The previous prime is 145264871. The next prime is 145264901. The reversal of 145264879 is 978462541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978462541 = 7 ⋅139780363.

It is not a de Polignac number, because 145264879 - 2³ = 145264871 is a prime.

It is a super-2 number, since 2×145264879² = 42203770141769282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145264871) 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, 1689084 + ... + 1689169.

It is an arithmetic number, because the mean of its divisors is an integer number (37160794).

Almost surely, 2^145264879 is an apocalyptic number.

145264879 is a deficient number, since it is larger than the sum of its proper divisors (3378297).

145264879 is an equidigital number, since it uses as much as digits as its factorization.

145264879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378296.

The product of its digits is 483840, while the sum is 46.

The square root of 145264879 is about 12052.5880623209. The cubic root of 145264879 is about 525.6784926776.

The spelling of 145264879 in words is "one hundred forty-five million, two hundred sixty-four thousand, eight hundred seventy-nine".