154100142 has 96 divisors (see below), whose sum is σ = 398623680. Its totient is φ = 42094080.

The previous prime is 154100083. The next prime is 154100143. The reversal of 154100142 is 241001451.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154100143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 661258 + ... + 661490.

It is an arithmetic number, because the mean of its divisors is an integer number (4152330).

Almost surely, 2^154100142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154100142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199311840).

154100142 is an abundant number, since it is smaller than the sum of its proper divisors (244523538).

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

154100142 is a wasteful number, since it uses less digits than its factorization.

154100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 154100142 is about 12413.7078264312. The cubic root of 154100142 is about 536.1270003323.

Adding to 154100142 its reverse (241001451), we get a palindrome (395101593).

The spelling of 154100142 in words is "one hundred fifty-four million, one hundred thousand, one hundred forty-two".