245136122 has 24 divisors (see below), whose sum is σ = 466624800. Its totient is φ = 95507160.

The previous prime is 245136121. The next prime is 245136149. The reversal of 245136122 is 221631542.

It is a happy number.

It is a super-4 number, since 4×245136122⁴ (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245136091 and 245136100.

It is not an unprimeable number, because it can be changed into a prime (245136121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112622 + ... + 114777.

It is an arithmetic number, because the mean of its divisors is an integer number (19442700).

Almost surely, 2^245136122 is an apocalyptic number.

245136122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245136122 is a deficient number, since it is larger than the sum of its proper divisors (221488678).

245136122 is a wasteful number, since it uses less digits than its factorization.

245136122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227426 (or 227419 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 245136122 is about 15656.8234964823. The cubic root of 245136122 is about 625.8483387665.

Adding to 245136122 its reverse (221631542), we get a palindrome (466767664).

The spelling of 245136122 in words is "two hundred forty-five million, one hundred thirty-six thousand, one hundred twenty-two".