142521098 has 8 divisors (see below), whose sum is σ = 226357092. Its totient is φ = 67068736.

The previous prime is 142521091. The next prime is 142521101. The reversal of 142521098 is 890125241.

142521098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142396489 + 124609 = 11933^2 + 353^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142521091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095865 + ... + 2095932.

Almost surely, 2^142521098 is an apocalyptic number.

142521098 is a deficient number, since it is larger than the sum of its proper divisors (83835994).

142521098 is a wasteful number, since it uses less digits than its factorization.

142521098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191816.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 142521098 is about 11938.2200515822. The cubic root of 142521098 is about 522.3477397971.

The spelling of 142521098 in words is "one hundred forty-two million, five hundred twenty-one thousand, ninety-eight".