42102355 has 16 divisors (see below), whose sum is σ = 51378624. Its totient is φ = 33116800.

The previous prime is 42102349. The next prime is 42102373. The reversal of 42102355 is 55320124.

It is not a de Polignac number, because 42102355 - 2¹¹ = 42100307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132657 + ... + 132973.

It is an arithmetic number, because the mean of its divisors is an integer number (3211164).

Almost surely, 2^42102355 is an apocalyptic number.

42102355 is a deficient number, since it is larger than the sum of its proper divisors (9276269).

42102355 is a wasteful number, since it uses less digits than its factorization.

42102355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42102355 is about 6488.6327527454. The cubic root of 42102355 is about 347.8848074062.

Adding to 42102355 its reverse (55320124), we get a palindrome (97422479).

The spelling of 42102355 in words is "forty-two million, one hundred two thousand, three hundred fifty-five".