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1045400142 = 231710249021
BaseRepresentation
bin111110010011111…
…000101001001110
32200212002211101210
4332103320221032
54120110301032
6251422315250
734622516553
oct7623705116
92625084353
101045400142
11497112666
12252128b26
13138774987
149cba8a2a
1561b9d2cc
hex3e4f8a4e

1045400142 has 16 divisors (see below), whose sum is σ = 2213788752. Its totient is φ = 327968640.

The previous prime is 1045400131. The next prime is 1045400171. The reversal of 1045400142 is 2410045401.

It is a happy number.

It is a super-2 number, since 2×10454001422 = 2185722913787240328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5124409 + ... + 5124612.

It is an arithmetic number, because the mean of its divisors is an integer number (138361797).

Almost surely, 21045400142 is an apocalyptic number.

1045400142 is an abundant number, since it is smaller than the sum of its proper divisors (1168388610).

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

1045400142 is a wasteful number, since it uses less digits than its factorization.

1045400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249043.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1045400142 is about 32332.6482367282. The cubic root of 1045400142 is about 1014.9099686376.

Adding to 1045400142 its reverse (2410045401), we get a palindrome (3455445543).

The spelling of 1045400142 in words is "one billion, forty-five million, four hundred thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 10249021 20498042 30747063 61494126 174233357 348466714 522700071 1045400142