148505743 has 4 divisors (see below), whose sum is σ = 148561528. Its totient is φ = 148449960.

The previous prime is 148505719. The next prime is 148505783. The reversal of 148505743 is 347505841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347505841 = 157 ⋅2213413.

It is a cyclic number.

It is not a de Polignac number, because 148505743 - 2¹⁷ = 148374671 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 (148505713) 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, 23688 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (37140382).

Almost surely, 2^148505743 is an apocalyptic number.

148505743 is a deficient number, since it is larger than the sum of its proper divisors (55785).

148505743 is an equidigital number, since it uses as much as digits as its factorization.

148505743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55784.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 148505743 is about 12186.2932428200. The cubic root of 148505743 is about 529.5590767397.

The spelling of 148505743 in words is "one hundred forty-eight million, five hundred five thousand, seven hundred forty-three".