Search a number
-
+
148445 = 5112699
BaseRepresentation
bin100100001111011101
321112121222
4210033131
514222240
63103125
71155533
oct441735
9245558
10148445
11a1590
1271aa5
135274b
143c153
152deb5
hex243dd

148445 has 8 divisors (see below), whose sum is σ = 194400. Its totient is φ = 107920.

The previous prime is 148439. The next prime is 148457. The reversal of 148445 is 544841.

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

It is not a de Polignac number, because 148445 - 24 = 148429 is a prime.

It is an Ulam number.

It is a plaindrome in base 9.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295 + ... + 1404.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2148445 is an apocalyptic number.

It is an amenable number.

148445 is a deficient number, since it is larger than the sum of its proper divisors (45955).

148445 is a wasteful number, since it uses less digits than its factorization.

148445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715.

The product of its digits is 2560, while the sum is 26.

The square root of 148445 is about 385.2856083479. The cubic root of 148445 is about 52.9486865405.

The spelling of 148445 in words is "one hundred forty-eight thousand, four hundred forty-five".

Divisors: 1 5 11 55 2699 13495 29689 148445