1401545 has 8 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 1102000.

The previous prime is 1401529. The next prime is 1401559. The reversal of 1401545 is 5451041.

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

It is not a de Polignac number, because 1401545 - 2⁴ = 1401529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081 + ... + 2670.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

2^1401545 is an apocalyptic number.

It is an amenable number.

1401545 is a deficient number, since it is larger than the sum of its proper divisors (309175).

1401545 is an equidigital number, since it uses as much as digits as its factorization.

1401545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1401545 is about 1183.8686582556. The cubic root of 1401545 is about 111.9100308512.

Adding to 1401545 its reverse (5451041), we get a palindrome (6852586).

The spelling of 1401545 in words is "one million, four hundred one thousand, five hundred forty-five".