151145840 has 40 divisors (see below), whose sum is σ = 352373280. Its totient is φ = 60293376.

The previous prime is 151145833. The next prime is 151145899. The reversal of 151145840 is 48541151.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29381 + ... + 34139.

It is an arithmetic number, because the mean of its divisors is an integer number (8809332).

Almost surely, 2^151145840 is an apocalyptic number.

151145840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151145840 is an abundant number, since it is smaller than the sum of its proper divisors (201227440).

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

151145840 is a wasteful number, since it uses less digits than its factorization.

151145840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169 (or 5163 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 151145840 is about 12294.1384407367. The cubic root of 151145840 is about 532.6787838184.

Adding to 151145840 its reverse (48541151), we get a palindrome (199686991).

The spelling of 151145840 in words is "one hundred fifty-one million, one hundred forty-five thousand, eight hundred forty".