154342100 has 72 divisors (see below), whose sum is σ = 367768128. Its totient is φ = 55756800.

The previous prime is 154342061. The next prime is 154342117. The reversal of 154342100 is 1243451.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211937 + ... + 212663.

Almost surely, 2^154342100 is an apocalyptic number.

154342100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154342100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183884064).

154342100 is an abundant number, since it is smaller than the sum of its proper divisors (213426028).

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

154342100 is a wasteful number, since it uses less digits than its factorization.

154342100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 154342100 is about 12423.4496014593. The cubic root of 154342100 is about 536.4074508270.

Adding to 154342100 its reverse (1243451), we get a palindrome (155585551).

The spelling of 154342100 in words is "one hundred fifty-four million, three hundred forty-two thousand, one hundred".