1802815454 has 16 divisors (see below), whose sum is σ = 3029794416. Its totient is φ = 797313600.

The previous prime is 1802815429. The next prime is 1802815459. The reversal of 1802815454 is 4545182081.

It is a super-2 number, since 2×1802815454² = 6500287122362452232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802815459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106567 + ... + 1108194.

It is an arithmetic number, because the mean of its divisors is an integer number (189362151).

Almost surely, 2^1802815454 is an apocalyptic number.

1802815454 is a deficient number, since it is larger than the sum of its proper divisors (1226978962).

1802815454 is a wasteful number, since it uses less digits than its factorization.

1802815454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214811.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 1802815454 is about 42459.5743501981. The cubic root of 1802815454 is about 1217.0742968734.

The spelling of 1802815454 in words is "one billion, eight hundred two million, eight hundred fifteen thousand, four hundred fifty-four".