154790253005 has 6 divisors (see below), whose sum is σ = 185749359306. Its totient is φ = 123831498608.

The previous prime is 154790253001. The next prime is 154790253011. The reversal of 154790253005 is 500352097451.

It can be written as a sum of positive squares in 3 ways, for example, as 100957436644 + 53832816361 = 317738^2 + 232019^2 .

It is not a de Polignac number, because 154790253005 - 2² = 154790253001 is a prime.

It is a super-3 number, since 3×154790253005³ (a number of 35 digits) contains 333 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 (154790253001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 791771 + ... + 967719.

It is an arithmetic number, because the mean of its divisors is an integer number (30958226551).

Almost surely, 2^154790253005 is an apocalyptic number.

It is an amenable number.

154790253005 is a deficient number, since it is larger than the sum of its proper divisors (30959106301).

154790253005 is an frugal number, since it uses more digits than its factorization.

154790253005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351903 (or 175954 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 154790253005 in words is "one hundred fifty-four billion, seven hundred ninety million, two hundred fifty-three thousand, five".