68300154 has 48 divisors (see below), whose sum is σ = 161650944. Its totient is φ = 20714400.

The previous prime is 68300153. The next prime is 68300159. The reversal of 68300154 is 45100386.

68300154 = 342² + 343² + ... + 625².

It is a super-2 number, since 2×68300154² = 9329822072847432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (68300153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14559 + ... + 18669.

It is an arithmetic number, because the mean of its divisors is an integer number (3367728).

Almost surely, 2^68300154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68300154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80825472).

68300154 is an abundant number, since it is smaller than the sum of its proper divisors (93350790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68300154 is a wasteful number, since it uses less digits than its factorization.

68300154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203 (or 4200 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 68300154 is about 8264.3907216443. The cubic root of 68300154 is about 408.7651802571.

The spelling of 68300154 in words is "sixty-eight million, three hundred thousand, one hundred fifty-four".