151603261 has 8 divisors (see below), whose sum is σ = 161769920. Its totient is φ = 141655392.

The previous prime is 151603253. The next prime is 151603301. The reversal of 151603261 is 162306151.

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

It is a cyclic number.

It is not a de Polignac number, because 151603261 - 2³ = 151603253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151603211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53265 + ... + 56038.

It is an arithmetic number, because the mean of its divisors is an integer number (20221240).

Almost surely, 2^151603261 is an apocalyptic number.

It is an amenable number.

151603261 is a deficient number, since it is larger than the sum of its proper divisors (10166659).

151603261 is a wasteful number, since it uses less digits than its factorization.

151603261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109395.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 151603261 is about 12312.7276019573. The cubic root of 151603261 is about 533.2156010527.

The spelling of 151603261 in words is "one hundred fifty-one million, six hundred three thousand, two hundred sixty-one".