150441997 has 8 divisors (see below), whose sum is σ = 154280952. Its totient is φ = 146611200.

The previous prime is 150441989. The next prime is 150442003. The reversal of 150441997 is 799144051.

It can be written as a sum of positive squares in 4 ways, for example, as 4056196 + 146385801 = 2014^2 + 12099^2 .

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 150441997 - 2³ = 150441989 is a prime.

It is a super-2 number, since 2×150441997² = 45265588922696018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150441947) 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 7 ways as a sum of consecutive naturals, for example, 55293 + ... + 57949.

It is an arithmetic number, because the mean of its divisors is an integer number (19285119).

Almost surely, 2^150441997 is an apocalyptic number.

It is an amenable number.

150441997 is a deficient number, since it is larger than the sum of its proper divisors (3838955).

150441997 is a wasteful number, since it uses less digits than its factorization.

150441997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 150441997 is about 12265.4798927722. The cubic root of 150441997 is about 531.8506527187.

The spelling of 150441997 in words is "one hundred fifty million, four hundred forty-one thousand, nine hundred ninety-seven".