151693441 has 4 divisors (see below), whose sum is σ = 158288832. Its totient is φ = 145098052.

The previous prime is 151693429. The next prime is 151693453. The reversal of 151693441 is 144396151.

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.

It is an interprime number because it is at equal distance from previous prime (151693429) and next prime (151693453).

It is a cyclic number.

It is not a de Polignac number, because 151693441 - 2⁷ = 151693313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151693397 and 151693406.

It is not an unprimeable number, because it can be changed into a prime (151693411) 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, 3297661 + ... + 3297706.

It is an arithmetic number, because the mean of its divisors is an integer number (39572208).

Almost surely, 2^151693441 is an apocalyptic number.

It is an amenable number.

151693441 is a deficient number, since it is larger than the sum of its proper divisors (6595391).

151693441 is an equidigital number, since it uses as much as digits as its factorization.

151693441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595390.

The product of its digits is 12960, while the sum is 34.

The square root of 151693441 is about 12316.3891218165. The cubic root of 151693441 is about 533.3213064562.

The spelling of 151693441 in words is "one hundred fifty-one million, six hundred ninety-three thousand, four hundred forty-one".