1801545234 has 16 divisors (see below), whose sum is σ = 3621957120. Its totient is φ = 597370640.

The previous prime is 1801545227. The next prime is 1801545241. The reversal of 1801545234 is 4325451081.

It is an interprime number because it is at equal distance from previous prime (1801545227) and next prime (1801545241).

It is a super-2 number, since 2×1801545234² = 6491130460296229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1801545195 and 1801545204.

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, 784869 + ... + 787160.

It is an arithmetic number, because the mean of its divisors is an integer number (226372320).

Almost surely, 2^1801545234 is an apocalyptic number.

1801545234 is an abundant number, since it is smaller than the sum of its proper divisors (1820411886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801545234 is a wasteful number, since it uses less digits than its factorization.

1801545234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572225.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 1801545234 is about 42444.6137218847. The cubic root of 1801545234 is about 1216.7883893813.

The spelling of 1801545234 in words is "one billion, eight hundred one million, five hundred forty-five thousand, two hundred thirty-four".