151049729 has 4 divisors (see below), whose sum is σ = 151095600. Its totient is φ = 151003860.

The previous prime is 151049711. The next prime is 151049741. The reversal of 151049729 is 927940151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927940151 = 67 ⋅13849853.

It is a cyclic number.

It is not a de Polignac number, because 151049729 - 2¹² = 151045633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 151049692 and 151049701.

It is not an unprimeable number, because it can be changed into a prime (151049779) 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, 17579 + ... + 24720.

It is an arithmetic number, because the mean of its divisors is an integer number (37773900).

Almost surely, 2^151049729 is an apocalyptic number.

It is an amenable number.

151049729 is a deficient number, since it is larger than the sum of its proper divisors (45871).

151049729 is an equidigital number, since it uses as much as digits as its factorization.

151049729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45870.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 151049729 is about 12290.2290051894. The cubic root of 151049729 is about 532.5658528328.

The spelling of 151049729 in words is "one hundred fifty-one million, forty-nine thousand, seven hundred twenty-nine".