245355542 has 8 divisors (see below), whose sum is σ = 374066832. Its totient is φ = 120666600.

The previous prime is 245355511. The next prime is 245355589. The reversal of 245355542 is 245553542.

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

It is a super-2 number, since 2×245355542² = 120398683980227528, which contains 22 as substring.

It is a congruent number.

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, 1005434 + ... + 1005677.

It is an arithmetic number, because the mean of its divisors is an integer number (46758354).

Almost surely, 2^245355542 is an apocalyptic number.

245355542 is a deficient number, since it is larger than the sum of its proper divisors (128711290).

245355542 is a wasteful number, since it uses less digits than its factorization.

245355542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011174.

The product of its digits is 120000, while the sum is 35.

The square root of 245355542 is about 15663.8290976377. The cubic root of 245355542 is about 626.0350142201.

The spelling of 245355542 in words is "two hundred forty-five million, three hundred fifty-five thousand, five hundred forty-two".