Search a number
-
+
142450151 = 166785453
BaseRepresentation
bin10000111110110…
…01110111100111
3100221001012212112
420133121313213
5242431401101
622045111235
73346543364
oct1037316747
9327035775
10142450151
11734559a8
123b85851b
132368763c
1414cc146b
15c78c6bb
hex87d9de7

142450151 has 4 divisors (see below), whose sum is σ = 142537272. Its totient is φ = 142363032.

The previous prime is 142450141. The next prime is 142450159. The reversal of 142450151 is 151054241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142450151 - 210 = 142449127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142450159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41060 + ... + 44393.

It is an arithmetic number, because the mean of its divisors is an integer number (35634318).

Almost surely, 2142450151 is an apocalyptic number.

142450151 is a deficient number, since it is larger than the sum of its proper divisors (87121).

142450151 is an equidigital number, since it uses as much as digits as its factorization.

142450151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87120.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 142450151 is about 11935.2482588340. The cubic root of 142450151 is about 522.2610505124.

The spelling of 142450151 in words is "one hundred forty-two million, four hundred fifty thousand, one hundred fifty-one".

Divisors: 1 1667 85453 142450151