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154245134 = 277122567
BaseRepresentation
bin10010011000110…
…01100000001110
3101202020110112202
421030121200032
5303441321014
623150001502
73552030161
oct1114314016
9352213482
10154245134
117a08171a
12437a6292
1325c57214
14166b1ad8
15d81c3de
hex931980e

154245134 has 4 divisors (see below), whose sum is σ = 231367704. Its totient is φ = 77122566.

The previous prime is 154245127. The next prime is 154245163. The reversal of 154245134 is 431542451.

154245134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1542451342 = 47583122725355912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154245097 and 154245106.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 38561282 + ... + 38561285.

It is an arithmetic number, because the mean of its divisors is an integer number (57841926).

Almost surely, 2154245134 is an apocalyptic number.

154245134 is a deficient number, since it is larger than the sum of its proper divisors (77122570).

154245134 is an equidigital number, since it uses as much as digits as its factorization.

154245134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77122569.

The product of its digits is 9600, while the sum is 29.

The square root of 154245134 is about 12419.5464490456. The cubic root of 154245134 is about 536.2950939669.

Adding to 154245134 its reverse (431542451), we get a palindrome (585787585).

The spelling of 154245134 in words is "one hundred fifty-four million, two hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 77122567 154245134