151001401 has 4 divisors (see below), whose sum is σ = 154684404. Its totient is φ = 147318400.

The previous prime is 151001387. The next prime is 151001447. The reversal of 151001401 is 104100151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90535225 + 60466176 = 9515^2 + 7776^2 .

It is a cyclic number.

It is not a de Polignac number, because 151001401 - 2⁵ = 151001369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151301401) 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, 1841440 + ... + 1841521.

It is an arithmetic number, because the mean of its divisors is an integer number (38671101).

Almost surely, 2^151001401 is an apocalyptic number.

It is an amenable number.

151001401 is a deficient number, since it is larger than the sum of its proper divisors (3683003).

151001401 is an equidigital number, since it uses as much as digits as its factorization.

151001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683002.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 151001401 is about 12288.2627331938. The cubic root of 151001401 is about 532.5090490502.

Adding to 151001401 its reverse (104100151), we get a palindrome (255101552).

The spelling of 151001401 in words is "one hundred fifty-one million, one thousand, four hundred one".