151401946 has 8 divisors (see below), whose sum is σ = 231935040. Its totient is φ = 74090268.

The previous prime is 151401931. The next prime is 151401947. The reversal of 151401946 is 649104151.

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

It is not an unprimeable number, because it can be changed into a prime (151401947) 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 3 ways as a sum of consecutive naturals, for example, 805236 + ... + 805423.

It is an arithmetic number, because the mean of its divisors is an integer number (28991880).

Almost surely, 2^151401946 is an apocalyptic number.

151401946 is a deficient number, since it is larger than the sum of its proper divisors (80533094).

151401946 is a wasteful number, since it uses less digits than its factorization.

151401946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610708.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 151401946 is about 12304.5498089121. The cubic root of 151401946 is about 532.9794762985.

The spelling of 151401946 in words is "one hundred fifty-one million, four hundred one thousand, nine hundred forty-six".