245429642 has 16 divisors (see below), whose sum is σ = 385385472. Its totient is φ = 117002160.

The previous prime is 245429641. The next prime is 245429651. The reversal of 245429642 is 246924542.

245429642 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×245429642⁵ (a number of 43 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245429596 and 245429605.

It is not an unprimeable number, because it can be changed into a prime (245429641) 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, 6167 + ... + 22997.

It is an arithmetic number, because the mean of its divisors is an integer number (24086592).

Almost surely, 2^245429642 is an apocalyptic number.

245429642 is a deficient number, since it is larger than the sum of its proper divisors (139955830).

245429642 is a wasteful number, since it uses less digits than its factorization.

245429642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17173.

The product of its digits is 138240, while the sum is 38.

The square root of 245429642 is about 15666.1942411040. The cubic root of 245429642 is about 626.0980309684.

The spelling of 245429642 in words is "two hundred forty-five million, four hundred twenty-nine thousand, six hundred forty-two".