1230153045 has 32 divisors (see below), whose sum is σ = 2240538624. Its totient is φ = 570504000.

The previous prime is 1230153019. The next prime is 1230153049. The reversal of 1230153045 is 5403510321.

It is not a de Polignac number, because 1230153045 - 2¹⁸ = 1229890901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230153049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158281 + ... + 165870.

It is an arithmetic number, because the mean of its divisors is an integer number (70016832).

Almost surely, 2^1230153045 is an apocalyptic number.

1230153045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230153045 is a deficient number, since it is larger than the sum of its proper divisors (1010385579).

1230153045 is a wasteful number, since it uses less digits than its factorization.

1230153045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324193.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1230153045 is about 35073.5376744348. The cubic root of 1230153045 is about 1071.4857065278.

Adding to 1230153045 its reverse (5403510321), we get a palindrome (6633663366).

The spelling of 1230153045 in words is "one billion, two hundred thirty million, one hundred fifty-three thousand, forty-five".