151849540 has 12 divisors (see below), whose sum is σ = 318884076. Its totient is φ = 60739808.

The previous prime is 151849507. The next prime is 151849541. The reversal of 151849540 is 45948151.

It can be written as a sum of positive squares in 2 ways, for example, as 48664576 + 103184964 = 6976^2 + 10158^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151849540.

It is not an unprimeable number, because it can be changed into a prime (151849541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3796219 + ... + 3796258.

It is an arithmetic number, because the mean of its divisors is an integer number (26573673).

Almost surely, 2^151849540 is an apocalyptic number.

151849540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151849540 is an abundant number, since it is smaller than the sum of its proper divisors (167034536).

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

151849540 is a wasteful number, since it uses less digits than its factorization.

151849540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592486 (or 7592484 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 151849540 is about 12322.7245364002. The cubic root of 151849540 is about 533.5041805083.

The spelling of 151849540 in words is "one hundred fifty-one million, eight hundred forty-nine thousand, five hundred forty".