Search a number
-
+
145887119 = 7163127859
BaseRepresentation
bin10001011001000…
…00111110001111
3101011111211111122
420230200332033
5244321341434
622250511155
73421006610
oct1054407617
9334454448
10145887119
1175393174
1240a354bb
13242bbb51
1415537c07
15cc1ac2e
hex8b20f8f

145887119 has 8 divisors (see below), whose sum is σ = 167752320. Its totient is φ = 124277976.

The previous prime is 145887103. The next prime is 145887151. The reversal of 145887119 is 911788541.

It is a happy number.

145887119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145887119 - 24 = 145887103 is a prime.

It is a super-2 number, since 2×1458871192 = 42566102980240322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145887119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145887169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62789 + ... + 65070.

It is an arithmetic number, because the mean of its divisors is an integer number (20969040).

Almost surely, 2145887119 is an apocalyptic number.

145887119 is a deficient number, since it is larger than the sum of its proper divisors (21865201).

145887119 is a wasteful number, since it uses less digits than its factorization.

145887119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128029.

The product of its digits is 80640, while the sum is 44.

The square root of 145887119 is about 12078.3740213656. The cubic root of 145887119 is about 526.4280022532.

The spelling of 145887119 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, one hundred nineteen".

Divisors: 1 7 163 1141 127859 895013 20841017 145887119