Search a number
-
+
142968154 = 2710212011
BaseRepresentation
bin10001000010110…
…00010101011010
3100222000112102211
420201120111122
5243044440104
622104145334
73354131530
oct1041302532
9328015384
10142968154
117377a0aa
123ba6824a
1323809354
1414db8150
15c840e04
hex885855a

142968154 has 8 divisors (see below), whose sum is σ = 245088288. Its totient is φ = 61272060.

The previous prime is 142968139. The next prime is 142968169. The reversal of 142968154 is 451869241.

142968154 is digitally balanced in base 3, 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 (142968139) and next prime (142968169).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105992 + ... + 5106019.

It is an arithmetic number, because the mean of its divisors is an integer number (30636036).

Almost surely, 2142968154 is an apocalyptic number.

142968154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142968154 is a deficient number, since it is larger than the sum of its proper divisors (102120134).

142968154 is a wasteful number, since it uses less digits than its factorization.

142968154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212020.

The product of its digits is 69120, while the sum is 40.

The square root of 142968154 is about 11956.9291208069. The cubic root of 142968154 is about 522.8933314187.

The spelling of 142968154 in words is "one hundred forty-two million, nine hundred sixty-eight thousand, one hundred fifty-four".

Divisors: 1 2 7 14 10212011 20424022 71484077 142968154