1155146026 has 32 divisors (see below), whose sum is σ = 1783756800. Its totient is φ = 560903616.

The previous prime is 1155145993. The next prime is 1155146029. The reversal of 1155146026 is 6206415511.

It is not an unprimeable number, because it can be changed into a prime (1155146029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3309700 + ... + 3310048.

It is an arithmetic number, because the mean of its divisors is an integer number (55742400).

Almost surely, 2^1155146026 is an apocalyptic number.

1155146026 is a deficient number, since it is larger than the sum of its proper divisors (628610774).

1155146026 is a wasteful number, since it uses less digits than its factorization.

1155146026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1155146026 is about 33987.4392386364. The cubic root of 1155146026 is about 1049.2499635297.

The spelling of 1155146026 in words is "one billion, one hundred fifty-five million, one hundred forty-six thousand, twenty-six".