245553133 has 8 divisors (see below), whose sum is σ = 283357568. Its totient is φ = 208430064.

The previous prime is 245553101. The next prime is 245553137. The reversal of 245553133 is 331355542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245553133 - 2⁵ = 245553101 is a prime.

It is a super-2 number, since 2×245553133² = 120592682252231378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245553095 and 245553104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245553137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169566 + ... + 171007.

It is an arithmetic number, because the mean of its divisors is an integer number (35419696).

Almost surely, 2^245553133 is an apocalyptic number.

It is an amenable number.

245553133 is a deficient number, since it is larger than the sum of its proper divisors (37804435).

245553133 is a wasteful number, since it uses less digits than its factorization.

245553133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340683.

The product of its digits is 27000, while the sum is 31.

The square root of 245553133 is about 15670.1350664249. The cubic root of 245553133 is about 626.2030230511.

The spelling of 245553133 in words is "two hundred forty-five million, five hundred fifty-three thousand, one hundred thirty-three".