1401540045 has 8 divisors (see below), whose sum is σ = 2242464096. Its totient is φ = 747488016.

The previous prime is 1401540011. The next prime is 1401540053. The reversal of 1401540045 is 5400451041.

It is a happy number.

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

It is not a de Polignac number, because 1401540045 - 2⁷ = 1401539917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401539997 and 1401540024.

It is a congruent number.

It is an unprimeable number.

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, 46717987 + ... + 46718016.

It is an arithmetic number, because the mean of its divisors is an integer number (280308012).

Almost surely, 2^1401540045 is an apocalyptic number.

1401540045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1401540045 is a deficient number, since it is larger than the sum of its proper divisors (840924051).

1401540045 is an equidigital number, since it uses as much as digits as its factorization.

1401540045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93436011.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1401540045 is about 37437.1479282277. The cubic root of 1401540045 is about 1119.0989896943.

Adding to 1401540045 its reverse (5400451041), we get a palindrome (6801991086).

The spelling of 1401540045 in words is "one billion, four hundred one million, five hundred forty thousand, forty-five".