145649265452 has 12 divisors (see below), whose sum is σ = 258112622880. Its totient is φ = 71902801776.

The previous prime is 145649265451. The next prime is 145649265491. The reversal of 145649265452 is 254562946541.

It is a junction number, because it is equal to n+sod(n) for n = 145649265394 and 145649265403.

It is not an unprimeable number, because it can be changed into a prime (145649265451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230457383 + ... + 230458014.

It is an arithmetic number, because the mean of its divisors is an integer number (21509385240).

Almost surely, 2^145649265452 is an apocalyptic number.

It is an amenable number.

145649265452 is a deficient number, since it is larger than the sum of its proper divisors (112463357428).

145649265452 is a wasteful number, since it uses less digits than its factorization.

145649265452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460915480 (or 460915478 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 53.

The spelling of 145649265452 in words is "one hundred forty-five billion, six hundred forty-nine million, two hundred sixty-five thousand, four hundred fifty-two".