102464342 has 4 divisors (see below), whose sum is σ = 153696516. Its totient is φ = 51232170.

The previous prime is 102464339. The next prime is 102464347. The reversal of 102464342 is 243464201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243464201 = 307 ⋅793043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102464347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25616084 + ... + 25616087.

It is an arithmetic number, because the mean of its divisors is an integer number (38424129).

Almost surely, 2^102464342 is an apocalyptic number.

102464342 is a deficient number, since it is larger than the sum of its proper divisors (51232174).

102464342 is an equidigital number, since it uses as much as digits as its factorization.

102464342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51232173.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 102464342 is about 10122.4671893763. The cubic root of 102464342 is about 467.9408056965.

The spelling of 102464342 in words is "one hundred two million, four hundred sixty-four thousand, three hundred forty-two".