102949645 has 8 divisors (see below), whose sum is σ = 125280000. Its totient is φ = 81199440.

The previous prime is 102949607. The next prime is 102949673. The reversal of 102949645 is 546949201.

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

It is not a de Polignac number, because 102949645 - 2²³ = 94561037 is a prime.

It is a super-3 number, since 3×102949645³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102949598 and 102949607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144645 + ... + 145354.

It is an arithmetic number, because the mean of its divisors is an integer number (15660000).

Almost surely, 2^102949645 is an apocalyptic number.

It is an amenable number.

102949645 is a deficient number, since it is larger than the sum of its proper divisors (22330355).

102949645 is an equidigital number, since it uses as much as digits as its factorization.

102949645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290075.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 102949645 is about 10146.4104490209. The cubic root of 102949645 is about 468.6784134828.

The spelling of 102949645 in words is "one hundred two million, nine hundred forty-nine thousand, six hundred forty-five".