151390490 has 8 divisors (see below), whose sum is σ = 272502900. Its totient is φ = 60556192.

The previous prime is 151390451. The next prime is 151390493. The reversal of 151390490 is 94093151.

It can be written as a sum of positive squares in 2 ways, for example, as 142396489 + 8994001 = 11933^2 + 2999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151390493) 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, 7569515 + ... + 7569534.

Almost surely, 2^151390490 is an apocalyptic number.

151390490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151390490 is a deficient number, since it is larger than the sum of its proper divisors (121112410).

151390490 is a wasteful number, since it uses less digits than its factorization.

151390490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139056.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 151390490 is about 12304.0842812458. The cubic root of 151390490 is about 532.9660331272.

The spelling of 151390490 in words is "one hundred fifty-one million, three hundred ninety thousand, four hundred ninety".