151205140 has 48 divisors (see below), whose sum is σ = 338349312. Its totient is φ = 56562176.

The previous prime is 151205137. The next prime is 151205143. The reversal of 151205140 is 41502151.

It is an interprime number because it is at equal distance from previous prime (151205137) and next prime (151205143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151205143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55449 + ... + 58111.

It is an arithmetic number, because the mean of its divisors is an integer number (7048944).

Almost surely, 2^151205140 is an apocalyptic number.

151205140 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 151205140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169174656).

151205140 is an abundant number, since it is smaller than the sum of its proper divisors (187144172).

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

151205140 is a wasteful number, since it uses less digits than its factorization.

151205140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2854 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 151205140 is about 12296.5499226409. The cubic root of 151205140 is about 532.7484377848.

Adding to 151205140 its reverse (41502151), we get a palindrome (192707291).

The spelling of 151205140 in words is "one hundred fifty-one million, two hundred five thousand, one hundred forty".