145206455204 has 12 divisors (see below), whose sum is σ = 254114144844. Its totient is φ = 72602413824.

The previous prime is 145206455167. The next prime is 145206455237. The reversal of 145206455204 is 402554602541.

It can be written as a sum of positive squares in 2 ways, for example, as 24414062500 + 120792392704 = 156250^2 + 347552^2 .

It is a super-2 number, since 2×145206455204² (a number of 23 digits) contains 22 as substring.

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, 391064 + ... + 665840.

It is an arithmetic number, because the mean of its divisors is an integer number (21176178737).

Almost surely, 2^145206455204 is an apocalyptic number.

It is an amenable number.

145206455204 is a deficient number, since it is larger than the sum of its proper divisors (108907689640).

145206455204 is a wasteful number, since it uses less digits than its factorization.

145206455204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406894 (or 406892 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 145206455204 in words is "one hundred forty-five billion, two hundred six million, four hundred fifty-five thousand, two hundred four".