142921519103 has 32 divisors (see below), whose sum is σ = 159363877440. Its totient is φ = 127080576000.

The previous prime is 142921519061. The next prime is 142921519121. The reversal of 142921519103 is 301915129241.

It is a cyclic number.

It is not a de Polignac number, because 142921519103 - 2⁸ = 142921518847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142921519183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115538201 + ... + 115539437.

It is an arithmetic number, because the mean of its divisors is an integer number (4980121170).

Almost surely, 2^142921519103 is an apocalyptic number.

142921519103 is a deficient number, since it is larger than the sum of its proper divisors (16442358337).

142921519103 is a wasteful number, since it uses less digits than its factorization.

142921519103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 142921519103 in words is "one hundred forty-two billion, nine hundred twenty-one million, five hundred nineteen thousand, one hundred three".