151385490 has 128 divisors (see below), whose sum is σ = 419904000. Its totient is φ = 38787840.

The previous prime is 151385467. The next prime is 151385497. The reversal of 151385490 is 94583151.

151385490 is a `hidden beast` number, since 1 + 513 + 8 + 54 + 90 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151385497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1015936 + ... + 1016084.

It is an arithmetic number, because the mean of its divisors is an integer number (3280500).

Almost surely, 2^151385490 is an apocalyptic number.

151385490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151385490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209952000).

151385490 is an abundant number, since it is smaller than the sum of its proper divisors (268518510).

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

151385490 is a wasteful number, since it uses less digits than its factorization.

151385490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 151385490 is about 12303.8810950041. The cubic root of 151385490 is about 532.9601656087.

It can be divided in two parts, 151 and 385490, that added together give a square (385641 = 621²).

The spelling of 151385490 in words is "one hundred fifty-one million, three hundred eighty-five thousand, four hundred ninety".