1405545141 has 64 divisors (see below), whose sum is σ = 2559191040. Its totient is φ = 662480640.

The previous prime is 1405545131. The next prime is 1405545151. The reversal of 1405545141 is 1415455041.

It is an interprime number because it is at equal distance from previous prime (1405545131) and next prime (1405545151).

It is not a de Polignac number, because 1405545141 - 2⁶ = 1405545077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1405545099 and 1405545108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405545101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173211 + ... + 181143.

It is an arithmetic number, because the mean of its divisors is an integer number (39987360).

Almost surely, 2^1405545141 is an apocalyptic number.

1405545141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1405545141 is a deficient number, since it is larger than the sum of its proper divisors (1153645899).

1405545141 is a wasteful number, since it uses less digits than its factorization.

1405545141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1405545141 is about 37490.6007020426. The cubic root of 1405545141 is about 1120.1639696690.

The spelling of 1405545141 in words is "one billion, four hundred five million, five hundred forty-five thousand, one hundred forty-one".