145279648 has 12 divisors (see below), whose sum is σ = 286019370. Its totient is φ = 72639808.

The previous prime is 145279639. The next prime is 145279697. The reversal of 145279648 is 846972541.

It can be written as a sum of positive squares in only one way, i.e., 143712144 + 1567504 = 11988^2 + 1252^2 .

It is a super-2 number, since 2×145279648² = 42212352246007808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145279598 and 145279607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269963 + ... + 2270026.

Almost surely, 2^145279648 is an apocalyptic number.

It is an amenable number.

145279648 is a deficient number, since it is larger than the sum of its proper divisors (140739722).

145279648 is an equidigital number, since it uses as much as digits as its factorization.

145279648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539999 (or 4539991 counting only the distinct ones).

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

The square root of 145279648 is about 12053.2007367338. The cubic root of 145279648 is about 525.6963072212.

The spelling of 145279648 in words is "one hundred forty-five million, two hundred seventy-nine thousand, six hundred forty-eight".