154140000 has 240 divisors, whose sum is σ = 579414528. Its totient is φ = 35136000.

The previous prime is 154139987. The next prime is 154140001. The reversal of 154140000 is 41451.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×154140000³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154140001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 419817 + ... + 420183.

Almost surely, 2^154140000 is an apocalyptic number.

154140000 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 154140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289707264).

154140000 is an abundant number, since it is smaller than the sum of its proper divisors (425274528).

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

154140000 is an equidigital number, since it uses as much as digits as its factorization.

154140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 154140000 is about 12415.3131253303. The cubic root of 154140000 is about 536.1732194285.

Adding to 154140000 its reverse (41451), we get a palindrome (154181451).

The spelling of 154140000 in words is "one hundred fifty-four million, one hundred forty thousand".