142541154 has 128 divisors (see below), whose sum is σ = 387072000. Its totient is φ = 37977984.

The previous prime is 142541111. The next prime is 142541159. The reversal of 142541154 is 451145241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (142541159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 639087 + ... + 639309.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^142541154 is an apocalyptic number.

142541154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142541154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536000).

142541154 is an abundant number, since it is smaller than the sum of its proper divisors (244530846).

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

142541154 is a wasteful number, since it uses less digits than its factorization.

142541154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 343 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 142541154 is about 11939.0600132506. The cubic root of 142541154 is about 522.3722407658.

Adding to 142541154 its reverse (451145241), we get a palindrome (593686395).

The spelling of 142541154 in words is "one hundred forty-two million, five hundred forty-one thousand, one hundred fifty-four".