Search a number
-
+
155454045 = 3510363603
BaseRepresentation
bin10010100010000…
…00101001011101
3101211111212212020
421101000221131
5304244012140
623231530353
73565223535
oct1121005135
9354455766
10155454045
117a827a1a
12440899b9
132628b556
14169084c5
15d9aa6d0
hex9440a5d

155454045 has 8 divisors (see below), whose sum is σ = 248726496. Its totient is φ = 82908816.

The previous prime is 155454041. The next prime is 155454071. The reversal of 155454045 is 540454551.

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

It is not a de Polignac number, because 155454045 - 22 = 155454041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155453997 and 155454015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155454041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5181787 + ... + 5181816.

It is an arithmetic number, because the mean of its divisors is an integer number (31090812).

Almost surely, 2155454045 is an apocalyptic number.

155454045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155454045 is a deficient number, since it is larger than the sum of its proper divisors (93272451).

155454045 is a wasteful number, since it uses less digits than its factorization.

155454045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363611.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 155454045 is about 12468.1211495558. The cubic root of 155454045 is about 537.6925374770.

The spelling of 155454045 in words is "one hundred fifty-five million, four hundred fifty-four thousand, forty-five".

Divisors: 1 3 5 15 10363603 31090809 51818015 155454045