145779456 has 36 divisors (see below), whose sum is σ = 387987992. Its totient is φ = 48592896.

The previous prime is 145779449. The next prime is 145779463. The reversal of 145779456 is 654977541.

It is an interprime number because it is at equal distance from previous prime (145779449) and next prime (145779463).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94141 + ... + 95676.

Almost surely, 2^145779456 is an apocalyptic number.

145779456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145779456 is an abundant number, since it is smaller than the sum of its proper divisors (242208536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145779456 is an equidigital number, since it uses as much as digits as its factorization.

145779456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189836 (or 189822 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 145779456 is about 12073.9163488903. The cubic root of 145779456 is about 526.2984711326.

The spelling of 145779456 in words is "one hundred forty-five million, seven hundred seventy-nine thousand, four hundred fifty-six".