1015145145 has 48 divisors (see below), whose sum is σ = 2080316160. Its totient is φ = 448060032.

The previous prime is 1015145119. The next prime is 1015145171. The reversal of 1015145145 is 5415415101.

1015145145 is a `hidden beast` number, since 1 + 0 + 1 + 514 + 5 + 145 = 666.

1015145145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1015145119) and next prime (1015145171).

It is not a de Polignac number, because 1015145145 - 2⁵ = 1015145113 is a prime.

1015145145 is a modest number, since divided by 145145 gives 1015 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46429 + ... + 64698.

It is an arithmetic number, because the mean of its divisors is an integer number (43339920).

Almost surely, 2^1015145145 is an apocalyptic number.

1015145145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1015145145 is an abundant number, since it is smaller than the sum of its proper divisors (1065171015).

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

1015145145 is a wasteful number, since it uses less digits than its factorization.

1015145145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111174 (or 111171 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1015145145 is about 31861.3424858401. The cubic root of 1015145145 is about 1005.0231078076.

The spelling of 1015145145 in words is "one billion, fifteen million, one hundred forty-five thousand, one hundred forty-five".