151949945 has 8 divisors (see below), whose sum is σ = 208388544. Its totient is φ = 104194224.

The previous prime is 151949929. The next prime is 151949989. The reversal of 151949945 is 549949151.

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 151949945 - 2⁴ = 151949929 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 151949945.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2170679 + ... + 2170748.

It is an arithmetic number, because the mean of its divisors is an integer number (26048568).

Almost surely, 2^151949945 is an apocalyptic number.

It is an amenable number.

151949945 is a deficient number, since it is larger than the sum of its proper divisors (56438599).

151949945 is an equidigital number, since it uses as much as digits as its factorization.

151949945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341439.

The product of its digits is 291600, while the sum is 47.

The square root of 151949945 is about 12326.7978404775. The cubic root of 151949945 is about 533.6217413633.

The spelling of 151949945 in words is "one hundred fifty-one million, nine hundred forty-nine thousand, nine hundred forty-five".