1401154343 has 8 divisors (see below), whose sum is σ = 1462771200. Its totient is φ = 1340424288.

The previous prime is 1401154309. The next prime is 1401154351. The reversal of 1401154343 is 3434511041.

It is a happy number.

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 1401154343 - 2¹⁰ = 1401153319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401154393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218471 + ... + 224792.

It is an arithmetic number, because the mean of its divisors is an integer number (182846400).

Almost surely, 2^1401154343 is an apocalyptic number.

1401154343 is a deficient number, since it is larger than the sum of its proper divisors (61616857).

1401154343 is a wasteful number, since it uses less digits than its factorization.

1401154343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443401.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1401154343 is about 37431.9962465268. The cubic root of 1401154343 is about 1118.9963220796.

Adding to 1401154343 its reverse (3434511041), we get a palindrome (4835665384).

The spelling of 1401154343 in words is "one billion, four hundred one million, one hundred fifty-four thousand, three hundred forty-three".