151433201 has 4 divisors (see below), whose sum is σ = 154655232. Its totient is φ = 148211172.

The previous prime is 151433189. The next prime is 151433203. The reversal of 151433201 is 102334151.

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: 102334151 = 79 ⋅1295369.

It is a cyclic number.

It is not a de Polignac number, because 151433201 - 2¹⁸ = 151171057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151433203) 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, 1610945 + ... + 1611038.

It is an arithmetic number, because the mean of its divisors is an integer number (38663808).

Almost surely, 2^151433201 is an apocalyptic number.

It is an amenable number.

151433201 is a deficient number, since it is larger than the sum of its proper divisors (3222031).

151433201 is an equidigital number, since it uses as much as digits as its factorization.

151433201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222030.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 151433201 is about 12305.8198020286. The cubic root of 151433201 is about 533.0161493792.

Adding to 151433201 its reverse (102334151), we get a palindrome (253767352).

The spelling of 151433201 in words is "one hundred fifty-one million, four hundred thirty-three thousand, two hundred one".