102553454 has 16 divisors (see below), whose sum is σ = 160930800. Its totient is φ = 48949824.

The previous prime is 102553447. The next prime is 102553457. The reversal of 102553454 is 454355201.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102553457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4772 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (10058175).

Almost surely, 2^102553454 is an apocalyptic number.

102553454 is a deficient number, since it is larger than the sum of its proper divisors (58377346).

102553454 is a wasteful number, since it uses less digits than its factorization.

102553454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19987.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 102553454 is about 10126.8679264618. The cubic root of 102553454 is about 468.0764205446.

The spelling of 102553454 in words is "one hundred two million, five hundred fifty-three thousand, four hundred fifty-four".