Search a number
-
+
145542655 = 5732831409
BaseRepresentation
bin10001010110011…
…00110111111111
3101010212022222201
420223030313333
5244224331110
622235252331
73415043416
oct1053146777
9333768881
10145542655
1175178395
12408aa0a7
13241cb11b
141548847d
15cb9db3a
hex8accdff

145542655 has 16 divisors (see below), whose sum is σ = 177795360. Its totient is φ = 114352128.

The previous prime is 145542637. The next prime is 145542667. The reversal of 145542655 is 556245541.

It is a cyclic number.

It is not a de Polignac number, because 145542655 - 25 = 145542623 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102591 + ... + 103999.

It is an arithmetic number, because the mean of its divisors is an integer number (11112210).

Almost surely, 2145542655 is an apocalyptic number.

145542655 is a deficient number, since it is larger than the sum of its proper divisors (32252705).

145542655 is a wasteful number, since it uses less digits than its factorization.

145542655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its digits is 120000, while the sum is 37.

The square root of 145542655 is about 12064.1060588839. The cubic root of 145542655 is about 526.0133474038.

The spelling of 145542655 in words is "one hundred forty-five million, five hundred forty-two thousand, six hundred fifty-five".

Divisors: 1 5 73 283 365 1409 1415 7045 20659 102857 103295 398747 514285 1993735 29108531 145542655