1403145234 has 32 divisors (see below), whose sum is σ = 3119351040. Its totient is φ = 467527536.

The previous prime is 1403145223. The next prime is 1403145259. The reversal of 1403145234 is 4325413041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1403145198 and 1403145207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220039 + ... + 226325.

It is an arithmetic number, because the mean of its divisors is an integer number (97479720).

Almost surely, 2^1403145234 is an apocalyptic number.

1403145234 is an abundant number, since it is smaller than the sum of its proper divisors (1716205806).

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

1403145234 is a wasteful number, since it uses less digits than its factorization.

1403145234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431 (or 10425 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1403145234 is about 37458.5802453857. The cubic root of 1403145234 is about 1119.5260627644.

Adding to 1403145234 its reverse (4325413041), we get a palindrome (5728558275).

The spelling of 1403145234 in words is "one billion, four hundred three million, one hundred forty-five thousand, two hundred thirty-four".